Person of Interest Episode Guide

Here is the episode guide for Person of Interest. Each episode has the title, writer, director, and a description listed. The descriptions are sourced from locations such as Wikipedia and official press releases

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13 - Return 0

Written By: Jonathan Nolan and Denise Thé Directed By: Chris Fisher
Rating: 1.0 Audience: 6.51
Finch, Reese, Fusco and Shaw embark on one last mission to prevent Samaritan from destroying The Machine and cementing its hold over mankind

12 - .exe

Written By: Greg Plageman and Erik Mountain Directed By: Greg Plageman
Rating: 1.0 Audience: 6.27
As Reese and Shaw race to catch up with Finch, he infiltrates a maximum-security government facility in a desperate mission which could mean the end for not only Samaritan, but for himself and The Machine as well

11 - Synecdoche

Written By: Jacey Heldrich and Joshua Brown Directed By: Tim Matheson
Rating: 1.0 Audience: 6.36
The team must unravel a conspiracy and stay ahead of the Secret Service when the President of the United States becomes their newest POI. Also, Finch separates himself from the team and considers taking drastic action to combat Samaritan

10 - The Day The World Went Away

Written By: Andy Callahan and Melissa Scrivner Love Directed By: Greg Plageman
Rating: 1.0 Audience: 6.66
Finch’s number comes up when a fatal error blows his cover identity and sets off a deadly series of escalating encounters with Samaritan’s operatives

09 - Sotto Voce

Written By: Sabir Pirzada Directed By: Margot Lulick
Rating: 0.8 Audience: 5.49
The mysterious criminal mastermind known as “The Voice” returns and traps Reese and Fusco in their own precinct with several armed gang members and the latest POI. Also, Root makes a shocking discovery

08 - Reassortment

Written By: Tony Camerino Directed By: Kenneth Fink
Rating: 0.9 Audience: 4.92
Reese and Finch become trapped in a hospital that becomes ground zero for a deadly viral outbreak. Also, Samaritan’s newest recruit has second thoughts and Shaw continues to struggle with reality

07 - QSO

Written By: Hillary Benefiel Directed By: Kate Woods
Rating: 0.9 Audience: 5.33
Root goes undercover at a radio station to protect the host of a conspiracy theory show who stumbles upon information that could get him killed. Also, Samaritan’s agents try to convince a member of the team that their goals are noble

06 - A More Perfect Union

Written By: Melissa Scrivner Love Directed By: Alrick Riley
Rating: 0.9 Audience: 5.49
The Machine sends Reese and Finch to a wedding to protect a pair of POIs before their nuptials. Also, Fusco becomes angry at being kept in the dark by the team and takes it upon himself to investigate a string of missing person reports

05 - ShotSeeker

Written By: Andy Callahan Directed By: Maja Vrvilo
Rating: 1.1 Audience: 6.97
Reese protects an NYPD analyst whose investigation into a software glitch has drawn the attention of Samaritan. Also, Reese and Fusco are threatened by an ally of Elias’s, who is looking to avenge his friend’s death

04 - 6,741

Written By: Lucas O’Connor and Denise Thé  Directed By: Chris Fisher
Rating: 0.9 Audience: 5.31
Shaw escapes her captors, but the team is unsure of her mental state when she begins to act paranoid and reckless

03 - Truth Be Told

Written By: Erik Mountain  Directed By: Stephen Surjik
Rating: 1.1 Audience: 7.34
Reese’s cover could be blown when he realizes the latest POI has ties to his old colleagues in the CIA

02 - SNAFU

Written By: Lucas O'Connor Directed By: Chris Fisher
Rating: 1.0 Audience: 5.80
The Machine experiences a glitch during rebooting, supplying Reese and Fusco with the numbers of dozens of people not actually involved in crimes, while also locking Finch and Root out after identifying them as threats based on past violent behavior,

01 - B.S.O.D.

Written By: Greg Plageman and Tony Camerino Directed By: Chris Fisher
Rating: 1.2 Audience: 7.35
Reese and Finch attempt to rescue the Machine’s source code before it deteriorates beyond repair. Also, Root fights for her life against an onslaught of Samaritan’s agents and Fusco is faced with hard questions following the deaths of Dominic and Elias
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22 - YHWH

Written By: Dan Dietz & Greg Plageman Directed By: Chris Fisher
Rating: 1.1 Audience: 8.18
Finch and Root race to save The Machine, which has been located by the rival AI, Samaritan. Also, Reese is caught in the middle of the final showdown between rival crime bosses Elias and Dominic

21 - Asylum

Written By: Andy Callahan and Denise Thé Directed By: Fred Toye
Rating: 1.4 Audience: 8.45
Reese and Fusco get caught in the war between the two newest POIs, rival crime bosses Elias and Dominic. Also, a tantalizing clue to Shaw’s whereabouts leads Finch and Root into a possible trap, and Control goes rogue to uncover the true intentions of the Samaritan program

20 - Terra Incognita

Written By: Melissa Scrivner-Love & Erik Mountain Directed By: Alrick Riley
Rating: 1.5 Audience: 9.21
Reese finds himself on a perilous personal journey when he takes on a homicide case Detective Carter was never able to close

19 - Search and Destroy

Written By: Zak Schwartz Directed By: Stephen Surjik
Rating: 1.3 Audience: 8.67
Reese and Finch scramble to protect a software CEO when his behavior becomes increasingly erratic following a hacker attack that reveals all his secrets and unravels his life

18 - Skip

Written By: Ashley Gable Directed By: Helen Shaver
Rating: 1.5 Audience: 9.15
Reese must protect a bounty hunter who refuses to let the potential threat to her life deter her from the relentless pursuit of her target. Also, Finch tries to set the plan he began in Shanghai in motion

17 - Karma

Written By: Hillary Benefiel & Sabir Pirzada Directed By: Chris Fisher
Rating: 1.5 Audience: 8.67
Reese and Finch try to protect a psychologist whose unorthodox methods for helping his patients find closure could cost him dearly. Meanwhile, flashbacks reveal Finch’s fragile state in the days following the bombing that killed his best friend, Nathan Ingram

16 - Blunt

Written By: Amanda Segel & Greg Plageman Directed By: Fred Toye
Rating: 1.7 Audience: 9.63
Reese and Finch must protect Harper, a street-smart grifter, when her plan to steal cash from a medical marijuana dispensary goes up in smoke

15 - Q&A

Written By: Dan Dietz Directed By: Stephen Semel
Rating: 1.6 Audience: 9.17
Reese tries to protect a software programmer with a mysterious second life, but it’s unclear which side of her life the threat is coming from. Meanwhile, Claire, a young hacker who Finch tried to protect from Samaritan, reaches out to him for aid

14 - Guilty

Written By: Kate Woods Directed By: David Slack
Rating: 1.6 Audience: 9.53
When the Machine arranges for Finch to sit on the jury of a murder trial, he begins to suspect that a fellow juror is set to rig the proceedings. Meanwhile, Reese begins to open up to the department’s therapist

13 - M.I.A.

Written By: Lucas O'Connor Directed By: Kevin Bray
Rating: 1.4 Audience: 9.28
Reese and Root’s hunt for Shaw takes them to a small town in upstate New York where it becomes apparent that not everything is as idyllic as it seems. Also, Fusco teams with a former POI to tackle the newest number

12 - Control-Alt-Delete

Written By: Andy Callahan Directed By: Stephen Surjik 
Rating: 1.7 Audience: 10.16
Control, who oversees the handling of relevant numbers for the government, begins to question the methods and intentions of the Samaritan program. Also, alarming news reports of a pair of vigilantes rampaging through the Northeast begin to surface

11 - If-Then-Else

Written By: Denise Thé Directed By: Chris Fisher
Rating: 1.7 Audience: 10.08
Samaritan launches a cyber-attack on the stock exchange, leaving the team with no choice but to embark on a possible suicide mission in a desperate attempt to stop a global economic catastrophe

10 - The Cold War

Written By: Amanda Segel Directed By: Michael Offer
Rating: 1.3 Audience: 8.94
Samaritan shows its power by erasing crime from the city for a day in an attempt to force The Machine out of hiding

09 - The Devil You Know

Written By: Erik Mountain  Directed By: Richard J. Lewis
Rating: 1.7 Audience: 9.04
Reese and Finch are caught in a power struggle for control of the city’s gangs when Elias is targeted by Dominic, the ambitious leader of the Brotherhood. Meanwhile, Root and Shaw disagree over how to handle a new threat from Samaritan

08 - Point of Origin

Written By: Tony Camerino  Directed By: Richard J. Lewis 
Rating: 1.6 Audience: 9.87
Reese volunteers as an NYPD police academy instructor in order to keep an eye on a talented young officer whose suspicious actions make him question her motives. Meanwhile, Martine – armed with information from Samaritan – hunts a member of the team

07 - Honor Among Thieves

Written By: David Slack  Directed By: Sylvain White
Rating: 1.3 Audience: 9.11
Shaw joins a team of international thieves in order to keep tabs on the latest POI, but an unexpected turn of events puts her in danger of being detected by Samaritan. Also, Finch and Root undertake a dangerous sabotage mission

06 - Pretenders

Written By: Ashley Gable Directed By: Stephen Surjik
Rating: 1.7 Audience: 9.72
Reese, Shaw and Fusco must protect a unassuming office worker who stumbles into a dangerous conspiracy while moonlighting as fake detective. Meanwhile, Finch travels to Hong Kong as part of his academic cover identity

05 - Prophets

Written By: Lucas O’Connor  Directed By: Kenneth Fink 
Rating: 1.5 Audience: 9.40
Finch is suspicious when a gifted political pollster’s number comes up at the same time that his typically ironclad predictions go wrong, and believes that the two events are linked. Meanwhile, Reese is sidelined by a direct order from Captain Moreno

04 - Brotherhood

Written By: Denise Thé Directed By: Chris Fisher
Rating: 1.5 Audience: 9.72
Reese's cover job as a detective at the NYPD becomes complicated when the young brother and sister he's protecting become targets of a gang investigation

03 - Wingman

Written By: Amanda Segel Directed By: Frederick E. O. Toye
Rating: 1.6 Audience: 9.63
Finch recruits Fusco to stick close to the latest POI, a professional “wingman,” but learning how to approach women soon becomes the least of his worries. Meanwhile, Reese must find a way to play by the rules at his new day job as the Machine sends Finch and Root on a mysterious errand

02 - Nautilus

Written By: Melissa Scrivner-Love & Dan Dietz Directed By: Chris Fisher
Rating: 1.8 Audience: 10.72
Although Finch insists that he no longer wishes to help with new numbers, his interest is piqued when Reese learns that the newest POI is a brilliant college student engaged in a mysterious, life-and-death scavenger hunt

01 - Panopticon

Written By: Erik Mountain and Greg Plageman Directed By: Richard J. Lewis
Rating: 1.7 Audience: 10.58
Forced to take on new identities created by Root, the team tries to adapt to their new lives. However, some find it hard to ignore The Machine’s numbers, which puts them all at risk of being detected by Samaritan. The fourth season premiere of Person of Interest airs Tuesday, September 24, 10|9c, on CBS
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23 - Deus Ex Machina

Written By: Greg Plageman and David Slack Directed By: Chris Fisher
Rating: 1.9 Audience: 10.95
The team takes desperate actions in its race to prevent the malevolent AI program Samaritan from coming online and making them its first targets. Meanwhile, the months-long battle with the anti-surveillance terrorist group Vigilance comes to a shocking conclusion

22 - A House Divided

Written By: Amanda Segel Directed By: Chris Fisher
Rating: 1.7 Audience: 10.50
When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the bigger picture. Meanwhile, Root’s team of hackers arrives in New York

21 - Beta

Written By: Dan Dietz and Sean Hennen Directed By: Fred Toye
Rating: 1.9 Audience: 11.31
As Decima uses Samaritan’s feeds to hunt Reese and Shaw, Greer exploits Finch’s greatest weakness in an attempt to lure him out of hiding: his love for his former fiancée, Grace Hendricks

20 - Death Benefit

Written By: Erik Mountain & Lucas O'Connor Directed By: Richard J. Lewis
Rating: 1.8 Audience: 10.74
Reese poses as a Secret Service agent to get close to the latest POI, a U.S. congressman who may hold the key to derailing Decima’s plans to bring a second Machine online

19 - Most Likely To...

Written By: Melissa Scrivner-Love & Denise Thé Directed By: Kevin Hooks
Rating: 1.9 Audience: 11.45
Reese and Shaw pose as alumni at a high school reunion in order to keep eyes on the latest POI. Meanwhile, Finch and Fusco travel to Washington, D.C., to investigate the motivations behind Vigilance’s latest attack

18 - Allegiance

Written By: Tony Camerino Directed By: Jeffrey Hunt
Rating: 2.0 Audience: 12.23
Finch and Reese must delve into the murky waters of international politics when they are given the number of a former government contractor who is stalking a UN diplomat. Also, an enemy attempts to gain an upper hand on Root

17 - /

Written By: David Slack Directed By: Jeff Gibson
Rating: 1.7 Audience: 10.94
The Machine assigns Root to seek out a janitor with a mysterious past, but when her very presence puts his life in danger, Finch also receives his number

16 - RAM

Written By: Nic Van Zeebroeck and Michael Sopczynski Directed By: Stephen Surjik
Rating: 1.7 Audience: 10.64
The secrets of Finch’s operation before he enlisted Reese are revealed, including shocking ties to present-day events

15 - Last Call

Written By: Dan Dietz Directed By: Jeff T. Thomas
Rating: 1.8 Audience: 11.00
Finch goes undercover in an emergency call center to protect a 911 operator, but it soon becomes clear that the threat reaches further than the team could have anticipated

14 - Provenance

Written By: Sean Hennen Directed By: Jeffrey Hunt
Rating: 2.1 Audience: 12.35
Reese rejoins Finch in New York, but when the team receives the number of a highly skilled antiquities thief, a surprising turn of events finds them planning a heist which could land them all in jail

13 - 4C

Written By: Melissa Scrivner Love and Greg Plageman Directed By: Stephen Williams
Rating: 2.0 Audience: 12.54
Reese boards an international flight in an attempt to put the team and the past behind him, but is angered when he realizes his travel plans have been manipulated

12 - Aletheia

Written By: Lucas O’Connor Directed By: Richard J. Lewis
Rating: 2.0 Audience: 12.10
Multiple enemies converge on the POI team as they protect a dying man with a connection to Finch’s past whose number has come up. They struggle to keep their enemies at bay without Reese, who has left the team and their mission behind following the tragic war with HR. However, being down one man could have catastrophic repercussions for the team

11 - Lethe

Written By: Erik Mountain Directed By: Richard J. Lewis
Rating: 2.0 Audience: 12.40
Flashbacks to Finch’s adolescence provide insight into his creation of The Machine. Also, the team receives the number of an already dying man, and Reese leaves the POI team behind in the aftermath of the war with the crime organization

10 - The Devil's Share

Written By: Amanda Segel & Jonathan Nolan Directed By: Chris Fisher
Rating: 2.2 Audience: 11.89
As the POI team seeks justice for Carter’s murder, Finch realizes one of his team members may go one step too far in order to end the war with HR. Also, The Machine gives out the number for NYPD Officer Patrick Simmons, one of the crime organization’s key players

09 - The Crossing

Written By: Denise Thé Directed By: Fred Toye
Rating: 2.0 Audience: 12.28
Danger closes in when the battle to bring the crime organization HR to justice reaches new heights. Also, when The Machine suddenly gives out Reese’s number, the POI team faces their greatest threat yet

08 - Endgame

Written By: Nic Van Zeebroeck and Michael Sopczynski Directed By: Sylvain White
Rating: 2.0 Audience: 12.60
The POI team’s war with HR nears a boiling point when Finch receives 38 numbers at once from The Machine. He discovers they are connected to an unknown player who is inciting an all-out war between the crime organization and the Russian mob. Meanwhile, a window into Carter’s past is seen through flashbacks with her son’s father

07 - The Perfect Mark

Written By: Sean Hennen Directed By: Stephen Surjik
Rating: 1.9 Audience: 11.79
The number comes up of a hypnotherapist whose life, upon investigation by the POI team, suggests he is more than just a master of the mind. Meanwhile, Carter tracks an antiquities dealer whose business is connected to the crime organization HR


Written By: Dan Dietz Directed By: Helen Shaver
Rating: 1.9 Audience: 12.00
Freed from her psych ward confinement, Root receives a directive from The Machine that requires Shaw's assistance – by any means necessary – and takes extreme measures to gain her compliance. Also, Reese and Finch look for clues as to why a mild-mannered estate investigator’s number has come up

05 - Razgovor

Written By: David Slack Directed By: Kenneth Fink
Rating: 2.2 Audience: 13.17
When Shaw is tasked to stay close to a 10-year-old identified by The Machine, she grudgingly develops respect for the young girl’s skills in surveillance and realizes it could be the very reason why her number has come up. Meanwhile, Carter’s mission to bring the crime organization HR to justice risks exposucre

04 - Reasonable Doubt

Written By: Melissa Scrivner Love Directed By: Stephen Williams
Rating: 2.2 Audience: 12.69
The team gets the number of a prominent New York lawyer and has to determine whether she orchestrated the death of her recently murdered husband, or if she is being framed. Meanwhile, Carter faces an issue with her new partner, Laskey, after he spots her with Reese

03 - Lady Killer

Written By: Amanda Segel Directed By: Omar Madha
Rating: 2.0 Audience: 11.65
Reese and Finch enlist the help of Carter, Shaw and Zoe Morgan, who use their feminine wiles to bait a chameleon playboy who is either a predator or someone else’s imminent prey. Meanwhile, The Machine helps Root to plot an escape from her psych ward confinement before a dangerous enemy can track her down

02 - Nothing To Hide

Written By: Erik Mountain Directed By: Fred Toye
Rating: 2.1 Audience: 12.35
The number comes up for an Internet entrepreneur in the business of eliminating people's privacy, but finds his own being rapidly stripped away. As his life spirals out of control, Reese tries to protect him while Finch calls on Shaw, Carter and Fusco for help finding whoever is after him. Meanwhile, Carter finds herself unexpectedly paired with new rookie partner, Mike Laskey

01 - Liberty

Written By: Greg Plageman & Denise Thé Directed By: Chris Fisher
Rating: 2.3 Audience: 12.44
The Machine, now completely self-governed with its whereabouts unknown, resumes giving Finch its “irrelevant” numbers for people in danger, which include a U.S. naval officer in town for Fleet Week. However, with so many sailors flooding the streets of New York City, finding the officer in time presents an even bigger challenge for Reese and Shaw. Meanwhile, Carter has been demoted to a patrol officer as a result of her being set up by the corrupt police crime organization HR, and sets a plan in motion to eradicate them for good. Also, Root tests the boundaries of her new asylum surroundings
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22 - God Mode

Written By: Patrick Harbinson & Jonathan Nolan Directed By: Richard J. Lewishtth
Rating: 2.4 Audience: 13.16
Reese and Finch team up with surprising allies in a race to save The Machine from a familiar, nefarious entity, and the true nature of Finch's relationship with former partner Nathan Ingram is revealed. Meanwhile, Carter tries to bring Beecher's murderer to justice and finds herself at odds with the criminal organization HR

21 - Zero Day

Written By:  Amanda Segel & David Slack Directed By: Jeffrey Hunt
Rating: 2.4 Audience: 12.96
Reese and Finch realize that a virus has rendered The Machine erratic, causing it to issue numbers irregularly. As they race against the viral countdown, the team searches for a tech millionaire so elusive no one has ever seen him. Also, Detective Carter's mission to bring Cal Beecher's murderer to justice lands her squarely within the sights of the HR criminal organization

20 - In Extremis

Written By: Greg Plageman & Tony Camerino Directed By: Chris Fisher
Rating: 2.4 Audience: 13.22
When a luminary in the world of medicine is poisoned, Reese and Finch have just 24 hours to determine the deadly toxin he was given and find the person behind the attack. Meanwhile, Detective Fusco’s past corruption catches up with him when an informant gives the Internal Affairs Bureau the crucial information they need to send him to prison

19 - Trojan Horse

Written By: Dan Dietz & Erik Mountain Directed By: Jeffrey Hunt
Rating: 2.7 Audience: 14.57
When the number of a leading tech executive comes up, Finch infiltrates her corporation to gather intel but can't determine whether she is working in her company's best interest or planning to destroy it from the inside. Meanwhile, Carter continues to question Detective Beecher’s integrity after he provides incriminating information about a fellow detective

18 - All In

Written By: Lucas O’Connor Directed By: Tricia Brock
Rating: 2.9 Audience: 14.34
When an elderly gambler’s number comes up, Reese and Finch head to Atlantic City to delve beneath the surface of their POI’s seemingly ordinary life for answers. In New York, Carter’s crusade to clear a fellow detective’s name brings her perilously close to discovering the remaining HR faction within the department

17 - Proteus

Written By: Sean Hennen Directed By: Kenneth Fink
Rating: 2.8 Audience: 14.57
After the machine gives Reese and Finch six numbers at once, their search for clues leads them to a coastal town where they are forced to ride out a storm with a group of locals in a police station. However, as the weather rages outside, a sinister situation arises inside when they realize there is an unidentified killer hiding among them

16 - Relevance

Written By: Amanda Segel & Jonathan Nolan Directed By: Jonathan Nolan
Rating: 2.9 Audience: 14.22
A lethal and sexy government operative who tracks and stops terrorist threats before they occur finds herself on the run – and the new focus of Reese and Finch’s attention. However, their pursuit proves to be their most formidable when they discover that her remarkable skillset equals their own

15 - Booked Solid

Written By: Nic Van Zeebroeck & Michael Sopczynski Directed By: Fred Toye
Rating: 3.0 Audience: 14.87
Reese and Finch race to save a hotel maid’s life but find themselves surrounded by more suspects than they may be able to eliminate when they realize any guest or staff member could be her potential killer. Meanwhile, Detective Carter weighs a major offer from the FBI

14 - One Percent

Written By: Denise Thé & Melissa Scrivner-Love Directed By: Chris Fisher
Rating: 3.1 Audience: 14.88
Reese and Finch meet their match in a tech billionaire POI whose curiosity and limitless resources threaten to expose their identities and sabotage their efforts to save his life

13 - Dead Reckoning

Written By: Erik Mountain Directed By: John Dahl
Rating: 3.2 Audience: 15.71
Reese is abducted by an old acquaintance planning a massive act of cyber-warfare that could lead to Reese’s death

12 - Prisoner's Dilemma

Written By:  David Slack Directed By:  Chris Fisher
Rating: 3.3 Audience: 15.67
While Carter engages in mental warfare with the FBI to help Reese evade Agent Donnelly’s narrowing focus, Reese crosses paths with foes both old and new. Meanwhile, Det. Fusco is forced to fly solo to help the team’s newest POI: supermodel Karolina Kurkova

11 - 2πR

Written By: Dan Dietz Directed By: Richard J. Lewis
Rating: 3.4 Audience: 16.23
Finch goes undercover as a high school substitute teacher to protect a teen genius POI as Carter undertakes a dangerous mission to stop the FBI from determining that an imprisoned Reese is the “Man In a Suit"
Airs January 3

10 - Shadow Box

Written By: Patrick Harbinson Directed By: Stephen Surjik
Rating: 3.4 Audience: 16.23
While the FBI refocuses their efforts to catch “The Man in the Suit,” Reese’s latest POI becomes a personal quest after he learns that she’s the sister of a soldier who was killed in action

09 - C.O.D.

Written By: Ray Utarnachitt Directed By: Clark Johnson
Rating: 2.9 Audience: 14.18
Finch and Reese’s surveillance skills are pushed to the limit when a New York City cab driver’s number comes up and any one of his passengers could be involved in the impending crime

08 - Til Death

Written By: Amanda Segel Directed By: Helen Shaver
Rating: 2.9 Audience: 14.43
The team is spread thin when a husband and wife’s numbers both come up

07 - Critical

Written By: Sean Hennen Directed By: Fred Toye
Rating: 3.1 Audience: 14.57
The Machine gives Finch and Reese the number of a brilliant surgeon, but they soon discover that a resourceful third party has raised the stakes for this POI, forcing them to turn to an unlikely source for help,

06 - High Road

Written By: Nic Van Zeebroeck Directed By: Felix Alcalá
Rating: 2.9 Audience: 14.87
Reese goes undercover in an idyllic neighborhood when The Machine’s latest number sends him to the suburbs

05 - Bury the Lede

Written By: David Slack Directed By: Jeffrey Hunt
Rating: 2.9 Audience: 13.66
Reese must protect an investigative journalist through surreptitious means to avoid becoming part of her story

04 - Triggerman

Written By: Erik Mountain Directed By: James Whitmore Jr.
Rating: 2.9 Audience: 14.03
When The Machine gives them the number of a mob enforcer whose life becomes endangered, Reese and Finch must decide whether to intervene or allow karma to balance the scales of justice. Meanwhile, Finch seeks aid from an unlikely source

03 - Masquerade

Written By: Melissa Scrivner-Love Directed By: Jeff Hunt
Rating: 2.8 Audience: 13.93
 With Finch back in the Library, Reese returns to field work, only to face his toughest case yet – protecting the privileged daughter of a Brazilian diplomat

02 - Bad Code

Written By: Greg Plageman and Patrick Harbinson Directed By: Jon Cassar
Rating: 3.0 Audience: 14.58
The Machine delivers the number of a cold case that leads Reese ever closer to catching up with Finch and his kidnapper, Root

01 - The Contingency

Written By: Denise Thé and Jonathan Nolan Directed By: Richard J. Lewis
Rating: 2.9 Audience: 14.28
With Finch missing – kidnapped by his hacker nemesis, Root, in last season’s finale cliffhanger – Reese enlists Detectives Carter and Fusco to get his friend back. Meanwhile, The Machine never sleeps, disseminating a new number to Reese. Ken Leung guest stars as the latest POI, and Amy Acker reprises her role as Root.
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23 - Firewall

Written By: Greg Plageman & Jonathan Nolan Directed By: Richard J. Lewis
Rating: 2.5 Audience: 13.47
Reese becomes trapped with his POI in a heavily monitored part of the city and must rely on Finch, Carter and Fusco’s help. Reese is set the task of protecting the latest victim, psychologist Caroline Turing (Amy Acker) who is unknowingly treating the person who has hired HR to kill her. Finch brings in Zoe Morgan to help find the suspect while Reese protects Turing. After stopping the initial attack, Reese takes Turing to a hotel but are found by not only HR but the FBI, who are hunting for Reese. Carter suspects Fusco is working for HR but learns he is working with Reese as well. Alicia Corwin, who has been following Finch, interrogates him but is killed by Turing. She reveals herself as "Root" and Finch realizes that she was the one who hired HR. She forces Finch to drive off. Reese finds Alicia's dead body, while Carter and Fusco anonymously reveal HR members to the FBI. Reese discovers Finch is missing and talks to the machine. A nearby pay phone rings and Reese answers as the episode ends. 

22 - No Good Deed

Written By: David Slack Directed By: Stephen Williams
Rating: 2.6 Audience: 12.96
John spying on Finch to know about his personal life. A new number turns up, Henry Peck an chartered financial analyst who is actually an undercover intelligence analyst for the NSA. Peck is framed for drugs and even assassins are on hunt. Finch and John finds out that peck is being framed by the government itself as he has been asking questions about the machine. In Flash back Nathan and Finch(Herold) are ready to deliver the machine to the government, where Nathan talks about making an backdoor entry in the machine for the relevant threats and also if ever the machine is ever used in a wrong way, to which Herold denies. Ultimately Nathan himself starts developing a contingency program alone. Back in present John saves Peck number of times. ultimately he is taken in to custody by NYPD. John sneaks him out of the station and after being attacked by the trained ops John looses Peck. Next day Peck arranges a meeting with a reporter, but instead Finch shows up and suggests that he stop looking for answers giving him a new identity. He tells him that he is the one who has built the machine. Meanwhile John still spying on Finch's personal life comes to know that Finch had a Fiance Grace who thinks that Finch is dead in an accident from two years. Finch tells john that he left Grace just to secure her future because if the government comes to know that he knows about the machine it will ultimately put Grace's life in jeopardy. Episode ends with Alicia hearing the conversation between Peck and Finch.

21 - Many Happy Returns

Written By: Erik Mountain & Jonathan Nolan Directed By: Frederick E. O. Toye
Rating: 2.5 Audience: 13.27
Its John's Birthday, Finch gives him the day off and hands him a key as his gift. Finch does this because he knows that the new number will bring back John's old memories. Finch decides to deal with the next number on his own with help from Detective Fusco, Karen Garner a lady who is on the run from US Marshall Service for identity thefts. Finch decides to take help of Detective Carter, but she has a news of her own for Finch regarding a kill in New Rochelle relating to John's past. Carter and FBI agent Donnelly visit New Rochelle to find links related to John. Finch who is in pursuit of Karen gets help from John. They come to know that Karen is actually Sarah Atkins who is on the run from her husband Brad Jennings of Us Marshall Service, who framed Sarah for his own good. In the same way, John's ex-girlfriend Jessica Arndt was killed in a fake car accident, when actually her husband Peter Arndt killed her by snapping her neck when she hit her head on a table. Sarah is taken into custody by Jennings and is taken out of the city where his plans to kill her are foiled by John. Finch asks Carter to look for John because he has lost contact with him. She finds John who is taking Jennings to deal with him,and let's him drive off with Jennings in the back of the trunk, not knowing what John will do to him. Later, Carter gets John's old military information and shreds it afterward to avoid Donnelly finding out about everything. She then receives a call from a warden letting her know that Jennings is now serving an imprisonment in Torreón penitentiary in Mexico after "a man in a suit" turned him in. John is given the address that Finch forgot to give him when he gave him the key. The address leads him to an apartment that Finch has now given him. In the same flashback from the episode earlier on, the man in the wheelchair that John accidentally hit turns out to be Finch who was too late to save Jessica.

20 - Matsya Nyaya

Written By: Ray Utarnachitt Directed By: Kevin Bray
Rating: 2.4 Audience: 12.73
The Machine spits out the number of Tommy Clay, a man who works for armored services. Finch assumes he will be robbed. Reese is sent as a recruit to follow Tommy to learn about him. After many stops, Finch realizes the robbery will happen after they retrieve platinum which can sell for 1.2 million dollars. After they leave they are shocked as there were no robbers but the vehicle explodes. Reese goes out to shoot the robbers, but is shot by Clay, who also kills the armored car's driver. Reese awakes in a hospital and talks with Carter. A memory is shown with Reese and his old partner given orders to go to China to retrieve a computer which was taken from the CIA. After he is given orders about the retrieval, he is told to kill his partner, who has been compromised, after they are done. They go to China to find out there was a genocide. They retrieve the computer and wait for dark. Back to the modern day, Finch finds out that Clay has a second phone and tracks it down, but the co-ordinates lead to a motel, where his two partners in crime have been killed. Fusco arrives, revealing that that part of the money from the stolen heist was supposed to go the corrupt cops. Finch has learned that Clay's password for everything is "Ashley." Ashley is the name of a waitress with whom Clay was having an affair. Reese talks to Ashley and she claims that Clay has abandoned her. Reese finds Clay but Ashley (the mastermind of the robbery) arrives and points a gun at Reese. They tie Reese up. Reese realizes that Clay is not only a perpetrator, but also a victim, just before Clay is killed by Ashley. Ashley leaves with the platinum, but is killed by Fusco's boss, a member of HR, a group of corrupt cops. Fusco's boss is about to kill Reese but Fusco kills his boss with Ashley's gun. Back to the memory, Reese hesitates and is shot by his partner, and his partner says that he has been compromised. Reese realizes that they were both wanted dead and warns his partner that she has just set off a beacon which will was meant to lead to their deaths. Reese runs off and watches the building explode. The CIA uncover a lead that a CIA operative may have escaped China, and track the agent's possible location to a hotel. Agent Snow and Evans go to inspect, but are both shot and Reese's partner appears from a closet and says "Lets Catch up." 

19 - Flesh and Blood

Written By: Amanda Segel Directed By: Stephen Semel
Rating: 3.0 Audience: 13.69
When The Machine spits out five numbers, naming the Don of each of New York's crime families, Reese and Finch suspect Elias is planning to eliminate his competition. Reese also has to save Carter's son, who has been kidnapped by Elias. 

18 - Identity Crisis

Written By: Amy Berg Directed By: Charles Beeson
Rating: 3.3 Audience: 14.59
Reese and Finch are puzzled when the Machine names a six-month-old child, Leila Smith, as the latest person of interest. Reese and Finch turn into overly protective parents - with an arsenal at their disposal - as they investigate her origins. Carter begins to question her new allegiance with Reese and Finch when Elias resurfaces. 

17 - Baby Blue

Written By: Patrick Harbinson Directed By: Larry Teng
Rating: 3.4 Audience: 15.67
Reese and Finch are puzzled when the Machine names a six-month-old child, Leila Smith, as the latest person of interest. Reese and Finch turn into overly protective parents - with an arsenal at their disposal - as they investigate her origins. Carter begins to question her new allegiance with Reese and Finch when Elias resurfaces. 

16 - Risk

Written By: Sean Hennen Directed By: Jeff T. Thomas
Rating: 3.1 Audience: 14.56
The next number that the Machine dispenses belongs to Adam Saunders, a proprietary trader with the Wall Street investment firm Baylor Zimm. Adam is seemingly a high roller who likes to play big and win big... all with the company's money. Reese approaches Adam as an asset manager for Finch, and finds the factors in whatever incident will be happening are deeper than originally believed - Adam is having a clandestine relationship with one of the company's managing partners, Sydney Baylor, Adam is being interrogated by Inspector Doug Rasmussen with the SEC, who seems to think that Adam and or Baylor Zimm as a company are involved in some securities illegalities, and the third is that Adam's uncle; Bob Sowoski (John Scurti), a food truck operator, has placed all his life savings into a shady company called Tritak, whose financial investment is increasing. Ultimately, it is established Adam is the target of Rasmussen and Paul Ashton, a colleague of Adam's, who are using Tritak to defraud thousands of people out of tens of millions of dollars, as they are aware it will go bust due to a recently passed state legal bill that undercuts its business. Reese is able to protect Adam from assassins sent to kill him, Finch uses his unlimited funds to keep Tritak in operation and save all of the investor's money, and, exposed, Rasmussen and Ashton are arrested - however, only Ashton makes it to Carter's interrogation room, Rasmussen having apparently committed suicide. All parties involved realise Rasmussen and Ashton were working for - Carl Elias, who has returned. 

15 - Blue Code

Written By: Denise Thé Directed By: David Von Ancken
Rating: 2.8 Audience: 13.16
The latest number that the machine dispenses belongs to Michael Cahill, who on the surface is an unassuming and upstanding but solitary citizen, which masks the fact of being involved in a major smuggling ring led by a man named Vargas (José Zúñiga). Members of the ring will not hesitate to kill if anyone gets in their way. Reese quickly infiltrates the smuggling ring as one of their own. But when Reese follows Cahill away from the group, Reese finds that his former name is Daniel Tully, and that he is a husband, father and undercover cop, who is deep undercover. Cahill could have long ago put Vargas away, but is waiting to nab the ringleader, a man going by the code name L.O.S. Reese also learns that Vargas probably has a connection working inside the police force. While Finch gets Carter to provide information on the police workings of undercover cops, Reese gets Fusco to re-establish his connections with the dirty cops to flush out Vargas' connection. 

14 - Wolf and Cub

Written By: Nic Van Zeebroeck & Michael Sopczynski Directed By: Chris Fisher
Rating: 3.3 Audience: 15.14
Finch and Reese return to the library for the first time since Finch's encounter with Root. Reese receives the next number of Darren McGrady (Astro). However, upon arrival at Darren's home, Reese finds that Darren's older brother was murdered three days before, and their apartment a crime scene. With Carter's help, he learns that the perpetrators were three males tied to Andre (Malik Yoba), a local comic-book store owner, and the boy's whereabouts are unknown. Darren, desperate for justice, pawns his television set and trumpet to buy a gun, and is about to shoot one of the men just as Reese finds him. The suspect is arrested but due to a lack of evidence and at the insistence of a corrupt policeman, is released in less than a day. Reese finds his partners and captures them, threatening them until they disclose the location of the murder weapon. However, before he is able to send them off to the police, Darren eludes him and takes the gun in an effort to kill his brother's murderers. Reese and the police arrive in time to capture killers and rescue Darren. The boy goes to live in a foster home, giving Reese a drawing of them both as a sign of gratitude. 

13 - Root Cause

Written By: Erik Mountain Directed By: Richard J. Lewis
Rating: 3.3 Audience: 15.10
Reese and Finch are alerted to Scott Powell, a dedicated family man and city construction project manager, who was laid off in the face of budget cuts advocated by Congressman Michael Delancey. They find he has secretly applied for a weapon permit and sending death threats to Delancey, and they conclude that Powell is planning to assassinate the Congressman. While Reese tries to intercept Powell, Finch realizes that the evidence against him has been planted, and they are unable to stop the real assassin from killing Delancey. Powell is arrested by the FBI in the face of overwhelming evidence, forcing Reese to help him escape. With the help of Zoe Morgan (last seen in "The Fix"), Finch identifies Peter Matheson—Delancey's business partner and chief of staff—as the man who hired the assassin and a hacker known as "Root" to kill Delancey and frame Powell, thereby covering up Matheson's corruption. Finch acquires a recording of a conversation between Matheson and the hacker, exonerating Powell. When Matheson is found dead, Root admits to Finch that she had him killed to tie up loose ends. Root acknowledges Finch, by name, as a worthy adversary. 

12 - Legacy

Written By: Amanda Segel Directed By: Brad Anderson
Rating: 3.2 Audience: 14.10
Reese finally decides to meet with Detective Carter, who, by helping him and Finch in their next case, is provided a little insight into what he and Finch do. Their case is Andrea Gutierrez, a self-made attorney who specializes in suing the state of New York on behalf of convicts who claim they were wrongfully imprisoned. Reese and Finch believe Andrea's violent incident will be associated with her latest client, Terrence King. King's parole officer, Dominic Galuska, has been setting up convicts to go to prison and profiting off placing their children in foster care. In representing King, Andrea has come to the attention of people who want her silenced until Reese intervenes. Meanwhile, Reese realizes that despite trusting his life to Finch, his partner is still keeping secrets from him. He follows Finch to meeting with Will Ingram, the son of Finch's previous partner, Nathan Ingram. After Finch bails him out of police custody, Will begins asking questions about his father's death, the nature of his work and his connection to Finch. 

11 - Super

Written By: David Slack Directed By: Stephen Williams
Rating: 3.2 Audience: 14.86
Finch takes the wounded Reese to the morgue where he pays a morgue assistant to suture Reese's wounds. While Reese is in a wheelchair, Finch rents an apartment for him. The building's super, Ernie Trask is the newest number. Trask has bought a gun from a pawn shop and Finch discovers photos of one of the tenants, Lily Thornton, in his office, leading them to conclude that Trask is stalking Lily. Finch follows Lily home and Reese assumes that Trask is going after Lily's boyfriend, Rick. He confronts Trask, who reveals that Rick is the one stalking Lily. Finch, Trask, and Reese rush to Lily's apartment and in the resulting confrontation, Rick is thrown out of out a window. Meanwhile, Carter attempts to get in contact with Finch. Finch agrees to meet her and offers her the number of Derek Watson, a person of interest, as a show of good faith. As a result, Carter prevents Watson from killing a banker; Finch reveals that this is his purpose. Flashbacks of Finch and his partner, Nathan Ingram, are shown throughout the episode which describe the inner workings of the Machine and show the tensions with the NSA over constitutional rights. In the final flashback, the Machine names Nathan as a person of interest. 

10 - Number Crunch

Written By: Patrick Harbinson Directed By: Jeffrey Hunt
Rating: 2.8 Audience: 12.93
Reese and Finch are confused when the Machine produces four numbers. When Reese finds one person of interest dead and is unable to prevent the murder of a second, he realizes that all four have something in common, and begins to dig deeper. He finds that the four stole drug money from the scene of a car accident, and that a corrupt banker and congressman are conspiring to have them killed for it. Meanwhile, Detective Carter has been stood down following the death of her confidential informant in "Get Carter". She is approached by a man named Snow, who identifies himself as a CIA operative, and asks her to lead him to Reese, revealing the reason why Reese faked his death - Reese was responsible for the death of his CIA handler, Cara Stanton, and then disappeared, until Carter's investigation put him back on the agency's radar. Finch confronts the conspirators and records evidence that they established a charity in Haiti to launder drug money. Reese saves the two women by killing their attackers. But before he can escape, he is shot by a CIA assassin. Carter finally catches up with him, but decides to let him escape. 

09 - Get Carter

Written By: Greg Plageman & Denise Thé Directed By: Alex Zakrzewski
Rating: 2.8 Audience: 12.66
Detective Carter's investigations into the Charlie Burton/Carl Elias case have earned her a place on Elias' hit list, making her the next person of interest named by the machine. This makes life complicated for Reese as he tries to protect her without revealing himself to her. While Carter investigates the murder of a teenager during a drive-by shooting and tries to counsel the wife of a violent drunk, Reese follows a confidential informant that Elias has turned against Carter. He stops the CI from killing Carter, but is disturbed by the way the Machine has started ignoring violent crimes; the Machine never predicted the death of the teenager killed in the drive-by. 

08 - Foe

Written By: Sean Hennen Directed By: Milan Cheylov
Rating: 2.6 Audience: 11.65
Reese and Finch track a former Stasi agent Ulrich Kohl across New York City. Kohl, having been secretly imprisoned by the German government for twenty-four years, has finally escaped and located his former Stasi team-mates - Hauffe, Wernick and Steiller, all of whom betrayed Kohl to the American and German governments in exchange for new lives in New York. Further, Kohl believes that his former Stasi colleagues are responsible for the murder of his wife Anja, who was killed while attempting to flee Germany with him. Kohl kills Hauffe and poisons Wernick, but Reese manages to save him. When confronting Steiller before killing him, Kohl learns a terrible truth - Anja is still alive, having staged her own death to escape from his atrocities. When he attempts to locate her (running into Reese instead - who he briefly connects to as a fellow spy and soldier), he also learns Anja had their child - Marie - and so sets out to find them both. Kohl finally locates Anja, having taken Marie hostage, and admits that he understands the reasons behind her flight, before raising an unloaded weapon to her, forcing Reese to shoot him dead. Kohl's predicament leads to Reese reflecting on his own life as a spy, where it is revealed that "John Reese" is an alias bestowed upon him by another CIA agent, Cara Stanton. 

07 - Witness

Written By: Amanda Segel Directed By: Frederick E. O. Toye
Rating: 2.7 Audience: 11.76
Reese must protect Charlie Burton, a school teacher who witnessed a Russian mobster shooting an Italian-American mob lieutenant in a Brighton Beach bodega. As Reese and Burton flee the Russians and the Five Families, they stumble into territory controlled by Bulgarian mobsters. Meanwhile, Carter searches for Burton to place him in protective police custody, and in doing so, draws closer to finding "Elias M." — believed to be the illegitimate son of an aging mobster with a plan to unite the Five Families and reclaim the New York underworld from the Russians. Cut off from Finch as he tries to evade the Russians and the Bulgarians, Reese comes to realize that Charlie is Elias. Elias warns Reese to stay away or face unpleasant consequences, leaving Reese feeling guilty that other people will suffer because he saved Elias' life. 

06 - The Fix

Written By: Nic Van Zeebroeck & Michael Sopczynski Directed By: Dennis Smith
Rating: 2.7 Audience: 11.62
Reese takes the case of Zoe Morgan, a professional fixer who uses her influence and her connections to powerful people to perform favors for her own clients. Zoe has been enlisted to retrieve an incriminating recording of a pharmaceutical executive from a rival company, but comes under threat when she hears the contents of the recording itself and realises that her employer is just as corrupt as his rival. Finch is almost overcome with emotion when he realizes that Zoe's case is connected to that of Dana Miller, a person of interest whom he was unable to save before meeting John Reese. Meanwhile, Carter takes a homicide case when the murder weapon is proven to be the same one that was used in the "Elias M." case and begins to suspect that John Reese is more than just a vigilante. 

05 - Judgement

Written By: David Slack Directed By: Colin Bucksey
Rating: 2.7 Audience: 12.42
A Polish street gang known as SP-9 kidnaps the son of Samuel Gates, a judge known to be tough on crime. In exchange for his son's safe return, they demand the judge release a banker who is key to their money laundering operations without any punishment. Breaking with his preferred means of operation, Reese makes himself known to Gates in an attempt to stall the kidnappers while he uses Detective Fusco to process evidence from the scene of the crime. He misleads SP-9 into believing their demands have been met, securing the release of Gates' son, before delivering them to Detective Carter and the NYPD. Meanwhile, Reese makes overtures of friendship towards Finch, but is actually trying to find out more about Finch's habits. 

04 - Cura Te Ipsum

Written By: Denise Thé Directed By: Charles Beeson
Rating: 2.8 Audience: 12.04
Reese begins twenty-four hour surveillance of Dr. Megan Tillman when the Machine names her as the next Person of Interest. He and Finch believe she is being targeted by Andrew Benton, a serial stalker and sex offender who drugs his victims before taking advantage of them, only to discover that Tillman is actually stalking Benton and planning to kill him; one of Benton's previous victims was Tillman's sister, who committed suicide shortly after Benton assaulted her. Reese assaults a group of dealers connected to a Mexican drug cartel, stealing their product and planting it on Benton to have him arrested before Tillman can catch him. Tillman, however, abducts Benton, forcing Reese to talk her down. Meanwhile, Detective Carter starts to get closer to Finch and Reese when she finds a surveillance tape from the robbery in "Mission Creep" that shows their exchange. Reese blackmails a police captain to transfer Fusco to Carter's precinct so that he can sabotage her investigation. 

03 - Mission Creep

Written By: Patrick Harbinson Directed By: Steven DePaul
Rating: 2.6 Audience: 11.57
The Machine produces the social security number of Joey (James Carpinello), a former soldier. Upon returning from Iraq, Joey joined a gang of former soldiers who have taken to robbing banks once they rejoin civilian life. Reese infiltrates the gang for their final robbery at an NYPD evidence lockup. They steal a file marked "Elias, M." before Latimer, the ringleader, starts killing the gang members off and escapes. Reese starts trying to track Latimer down, but discovers that Latimer has himself been murdered after handing the Elias file over to his employer. The file is revealed to contain photos from the scene of a brutal murder. 

02 - Ghosts

Written By: Greg Plageman & Jonathan Nolan Directed By: Richard J. Lewis
Rating: 2.7 Audience: 12.51
Reese takes the case of Teresa Whitiker (Valentina de Angelis), a girl who supposedly died with her family two years previously. Reviewing the evidence, Reese finds the crime scene was staged to look like a murder-suicide. He deduces that Teresa's family was killed by a hitman, and that there is still a price on her head. He follows leads back to Solmick, the original contract killer, who admits he let Teresa live because he refuses to kill children. Meanwhile, Detective Carter starts investigating Reese, using his fingerprints to access his file, only to discover it has been redacted. Using information given to him by Reese, Finch manages to locate Teresa, but they are interrupted by the arrival of another hitman. Reese intervenes in time to save them, leaving Teresa in the care of Carter. When asked about Reese, Teresa claims the experience was too traumatic to recall anything. The episode is intercut with flashbacks of Finch and his partner at the founding of "The Machine". Finch is concerned that if the public ever found out about it, he would be forced to shut it down. At the end of the episode, a memorial bust of Finch's partner is shown in his offices. 

01 - Pilot

Written By: Jonathan Nolan Directed By: David Semel
Rating: 3.1 Audience: 13.33
John Reese (Jim Caviezel), a former CIA agent and Army Special Forces soldier turned homeless alcoholic, has a struggle with a group of hot-headed teenagers on the subway. After this, he is extracted from police custody, before Homicide Detective Joss Carter (Taraji P. Henson) can confront him on his links to previous killings discovered through analysis of his fingerprints on the police system. Reese is brought to a mysterious and somewhat secretive billionaire; known simply as Harold Finch (Michael Emerson), who is the creator of the next-generation software, "The Machine". After 9/11, Finch developed a computer program that would sift enormous amounts of information, looking for patterns of behavior or activity that would predict another attack. It also provided information about individuals who could be in danger; it can predict the identity of a person involved in a premeditated crime that will happen at some point in the future - however, the Machine only generates the social security number of the person, and offers no clues to their involvement or when the crime will take place. Finch, who wants to do something to help these people, enlists Reese to aid him in preventing these crimes; although the actual Machine drives are unreachable, Finch still has access to the Machine, and offers Reese a job to do this, as well as give Reese a purpose following the death of his girlfriend, Jessica (which is the source of his depression). The first on his list is Diane Hansen, an Assistant District Attorney currently working on a major prosecution of a prominent drug killing. Reese agrees to help out and begins by watching her. It all leads to an unexpected conclusion - Reese soon learns that Hansen is not the victim, but the perpetrator, running a ring of corrupt police officers and planning to kill a fellow DA, Wheeler. After blackmailing one of the corrupt officers, Detective Lionel Fusco (Kevin Chapman), into being his source of information inside the NYPD, Reese reveals Hansen's corruption to an open court and kills the leader of the corrupt gang of cops, and links Fusco to the crime to ensure his future cooperation. Having originally rejected Finch's offer of work, Reese recants and agrees to continue preventing violent crimes. 
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