The bodies of badly beaten men are being found in the Boston metropolitan area. Sam and the team quickly surmise these men were involved in some sort of deadly ultimate fighting match. Searching local hospitals, they find a participant in one of the fights. Though he reveals little, Sam is able to put together from talking to him and researching the backgrounds of the victims, that all were desperate men in need of money. All the men have a bookie in common and the team eventually gets this man to confess his role in the murders. It turns out he supplies the names of these desperate men to a man who then manipulates them to fight for money. He then coerces them with drugs to fight to the death so that he can satisfy his own demented bloodlust. To catch the fight's mastermind in the act, John goes undercover as one of the fighters. The episode concludes with Sam and the team racing to find John before he too becomes a victim of this lethal bloodsport.

The episode was rated 6.80 from 15 votes.

AKA Textbook Ohio's cities are being terrorized by a seemingly random sniper. Everyday citizens as well as police officers are being attacked. The state's governor summons the VCTF. Once on the scene, Sam, Bailey and the rest of the team are perplexed by the sniper's ability to shoot from increasingly longer distances. This ability reminds Bailey of an elite task force he encountered while serving in Vietnam. Bailey obtains from Casper, his intelligence source, the names of the task force members. Meanwhile, Sam uses clues left at the crime scenes to put together a profile that suggests the sniper is trying to create his own mythology, much like the Archer in Greek literature. George comes up with a suspect once he merges Casper's list and Sam's profile. Bailey, haunted by memories of the atrocities committed by the sniper task force, sets out to take down the killer and does so in the episode's exciting climax. John, George and Bailey look into Lou Handleman who has tried to dis

The episode was rated 6.79 from 14 votes.

The team investigates a serial rapist-turned-murderer in Illinois, whose sporadic timing of the attacks puzzles Sam as well as the connection between his victims whom are left in the woods. Sam figures out that the killer is an angry and frustrated married man taking out his rage and frustration on about-to-be-wed women. Meanwhile, with Jack-of-All-Trades (Donald Lucas) finally captured and imprisoned, Sam begins searching for a new house for her and Chloe.

The episode was rated 6.77 from 13 votes.

A serial rapist is terrorizing women in the Florida Panhandle. Sam and the VCTF are called in to investigate. The victims are able to provide the team with a number of clues which Sam uses to form her profile of the assailant. In the midst of the investigation, Sam butts heads with a local female sheriff. The woman continuously criticizes the VCTF's handling of the case and more importantly, their handling of the victims. In an emotional scene, Sam confronts the deputy and eventually learns the woman was once a rape victim herself. The two bond when they realize they both know what it is like to be the object of a deranged man's obsession. Meanwhile back in Atlanta, John and Marcus get a hot tip on the fugitive, Sharon Lesher. Desperate for cash, she has made it know on the street that she is looking for one of her old partners in crime. The episode concludes with the team springing a trap for Jack's ""Jill."" Sam corners Sharon as she tries to escape and momentarily wrestles with the id

The episode was rated 6.77 from 13 votes.

It's 'Party of Five' run amok when the youngest member of an orphaned clan kills to keep his dysfunctional family together. The first murder occurs when they young man kills the boyfriend his sister is considering marrying. Her marriage would result in her leaving the family and that would be unacceptable. Throughout the episode, other people who pose such threats are quickly dispatched. Sam profiles the killer is someone who has felt loss and who is desperately trying to hold on to something he values. The VCTF eventually discover this decidedly unconventional family and at first, mistakenly believe the physically abusive eldest brother is the killer. Sam soon realizes, however, that there is another, more emotionally immature force at work. Bailey realizes his ex-wife is seriously involved and considering remarriage. Chloe is upset when Sam invites her new boyfriend, Paul, over for Christmas.

The episode was rated 6.75 from 12 votes.

Sam and the team try to catch a mystic arsonist on the loose in Atlanta. Sam profiles that he apparently risks his own life by setting the fires himself on the spot. After a red herring lead involving a photographer always on the scene of the fires, Sam and the team find graffiti messages on walls of the burned out buildings in Farsi meaning ‘fire god.‘ The man is apparently seeking a ‘chosen one‘ immune to fire in order take him to the afterlife to meet his deceased wife. Meanwhile, Sam is worried about Chloe when she becomes emotionally withdrawn when one of her classmates becomes a victim in one of the fires.

The episode was rated 6.67 from 12 votes.

As Rachel continues to be spooked by Marks (Gregory Itzin), she and the team investigate a series of murders of businessmen who were all involved with the same woman (guest star Kimberly Davis).

The episode was rated 6.60 from 10 votes.

Rachel and the team search for a serial killer who does not seem to follow a pattern following the abduction of a 10-year-old boy from a local diner. Meanwhile, Bailey must testify before a congressional subcommittee to save VCTF funding which is threatened to be cut off by Congresswoman Archer. Also, Rachel find that her apartment was broken into and the audiotape she made of Joel Marks confessing to planting a wire on her (in the Proteus episode) has reappeared in the court dockets where Marks is dismissed from the FBI and vows revenge against Rachel.

The episode was rated 6.55 from 11 votes.

Now a member of the VCTF team, newly relocated Agent Rachel Burke sorts through a series of murders where the killer singles out successful career women and subjugates them to humiliating housework and compulsive cleaning before posing them naked in kitchens or bathrooms. While Rachel narrows in on a suspect (guest star Scott Allen Campbell) whose timid, fearful wife (guest star Paula Malcomson) may be the missing link, she must first overcome her combative relationship with an increasingly skeptical John

The episode was rated 6.55 from 11 votes.

Sam and Bailey get caught up in a jewel heist by a trio of mentally unbalanced crooks, named Randy, Kate and Stevie, that quickly turns into a hostage situation within the jewelry store. They struggle to profile the perpetrators and their relationships with one another before any lives are lost. While Sam tries to reason with the ringleader, Randy, to give up, John quarrels with the overzealous police commander outside who wants to catch or kill all the perpetrators even if it means that all hostages will be killed.

The episode was rated 6.54 from 13 votes.