James O'Neill

James O'Neill, A.K.A.  The Beantown Beheader or also simply known as  The Beheader , he is a serial killer, vigilante. That appears as the main antagoninst of episode Drive in the season 11 of Criminal Minds.

Biography
In his previous life as a child when he studied at a private school at the Adrien Academy, where he was severely abused and disciplined by Brendan Burker, the religious director and counselor of the school he studied, he beat the other students' wrists with a ruler and took some photos where it would be added to a wall of shame. Although these actions of Brendan were very traumatic and scars for him, they also printed him and so he assumed Burker's moralist rhetoric.

As an adult, James got a job as a driver at Zimmer, a six-month ride-sharing service. But, however, he soon was fired for innumerable critiscims he receive from passengers, including one who claimed that James threatened a passenger with a hammer. Shortly after the events on Drive, Burker was arrested on charges of molesting a pre-teenager who attended Aldren Academy, Burker then committed suicide by leaving a note of apology for his weakness. James then began to think that Burker was escaping from public punishment by committing suicide, and he began to become obsessed with it and began to punish those whom he regarded as immoral and killed the by disguising as a driver, he killed his first victim it was Lily Chang that he sawed his head personally and then he killed his second victim Denise Wagner that he used the guillotine to kill her.

Drive
He later helped a woman named Amy Gibb take her to her house, after he observes her expensive tastes, he then leaves her unconscious after wearing a teaser on her, he then takes her to a guillotine, and despite her begging for his life saying he'll never steal again James cuts his head using the guillotine. James then goes to find another victim a woman plus she is already caught by another driver thus irritating him. He then comes across a man named Anthony Simmons who speaks what James believes to ba a lover, James then kidnaps him and torture him by tapping his fingers when he refuses to confess. Anthony then tries to gain time by asking him to call a friend, but James calls Tanya Fenton, upon arriving on voice mail, James then decides to kill him if she does not call around for ten minutes. Tanya calls back, and James talks to her posing with a cop, after that James still believes that Anthony has an affair he then goes to the freeze and shows the head of his previous victims to Anthony, configuring your own wall of shame. When he goes to kill Anthony, Hotch and Morgan appear and try to convince him to be surrender, he still brings the blade of the guillotine down, James is later arrested by the Morgan, after that one does not know the future of James if he has been incarcerated or institutionalized.