Piers Morgan ventures behind bars to talk to diagnosed psychopath Paris Bennett about what drove him to murder his four-year-old sister.

The Bellman (1945)
The bell ringer at a way station in the French Alps, murders a passing horse trader with a thrown rock and relieves him of his bankroll, in order to bribe the daughter of his only friend, a head injury victim considered the village simpleton, into marrying him, despite her love for a lowly woodsman who is, in turn, being cajoled into marriage by the daughter of the wealthy innkeeper.

Face/Off (1997)
In order to foil a terrorist plot, an FBI agent undergoes facial transplant surgery and assumes the identity of a criminal mastermind. The plan turns sour when the criminal wakes up prematurely and seeks revenge.

Saw IV (2007)
Despite Jigsaw's death, and in order to save the lives of two of his colleagues, Lieutenant Rigg is forced to take part in a new game, which promises to test him to the limit.

Mind and Machine (2017)
In the near future where humanoid robots are common in society, the mob reprograms a female android to think and feel in order to use it as a contract killer. This has dangerous consequences as she develops a relationship with her creator while also slowly becoming a murderous psychopath.

Primal Fear (1996)
Defense attorney Martin Vail takes on jobs for money and prestige rather than any sense of the greater good. His latest case involves an altar boy, accused of brutally murdering the archbishop of Chicago. Vail finds himself up against his ex-pupil and ex-lover, but as the case progresses and the Church's dark secrets are revealed, Vail finds that what appeared a simple case takes on a darker, more dangerous aspect.

The Devil's Rejects (2005)
The murderous, backwoods Firefly family take to the road to escape the vengeful Sheriff Wydell, who is not afraid of being as ruthless as his target.

Con Air (1997)
Newly-paroled former US Army ranger Cameron Poe is headed back to his wife, but must fly home aboard a prison transport flight dubbed "Jailbird" taking the “worst of the worst” prisoners, a group described as “pure predators”, to a new super-prison. Poe faces impossible odds when the transport plane is skyjacked mid-flight by the most vicious criminals in the country led by the mastermind — genius serial killer Cyrus "The Virus" Grissom, and backed by black militant Diamond Dog and psychopath Billy Bedlam.

Phone Booth (2003)
A slick New York publicist who picks up a ringing receiver in a phone booth is told that if he hangs up, he'll be killed... and the little red light from a laser rifle sight is proof that the caller isn't kidding.

Hannibal Rising (2007)
The story of the early, murderous roots of the cannibalistic killer, Hannibal Lecter – from his hard-scrabble Lithuanian childhood, where he witnesses the repulsive lengths to which hungry soldiers will go to satiate themselves, through his sojourn in France, where as a medical student he hones his appetite for the kill.

American Psycho (2000)
A wealthy New York investment banking executive hides his alternate psychopathic ego from his co-workers and friends as he escalates deeper into his illogical, gratuitous fantasies.

Dirty Harry (1971)
When a madman dubbed 'Scorpio' terrorizes San Francisco, hard-nosed cop, Harry Callahan – famous for his take-no-prisoners approach to law enforcement – is tasked with hunting down the psychopath.

Do Unto Others (2023)
A community is shocked when the bodies of an elderly man and the manager of a home-visit nursing centre are found. The passing of 42 elderly patients is connected to Shiba, a caretaker recognised for his affection and dedication.

Deathline (1996)
Conny works at the hospital. But she earns the real money together with her friend Bibi in a telephone sex agency. She has a special relationship with one of her clients who demands more than sex. He exploits her fantasies for his erotic productions. Conny has no idea that this eccentric artist is turning the sex tales into deadly reality. The obsessions increase from call to call. Conny believes he has the client under control. But then two women are found dead...

A Clockwork Orange (1971)
In a near-future Britain, young Alexander DeLarge and his pals get their kicks beating and raping anyone they please. When not destroying the lives of others, Alex swoons to the music of Beethoven. The state, eager to crack down on juvenile crime, gives an incarcerated Alex the option to undergo an invasive procedure that'll rob him of all personal agency. In a time when conscience is a commodity, can Alex change his tune?

The Silence of the Lambs (1991)
Clarice Starling is a top student at the FBI's training academy. Jack Crawford wants Clarice to interview Dr. Hannibal Lecter, a brilliant psychiatrist who is also a violent psychopath, serving life behind bars for various acts of murder and cannibalism. Crawford believes that Lecter may have insight into a case and that Starling, as an attractive young woman, may be just the bait to draw him out.

Things to Do in Denver When You're Dead (1995)
Five different criminals face imminent death after botching a job quite badly.

The Green Mile (1999)
A supernatural tale set on death row in a Southern prison, where gentle giant John Coffey possesses the mysterious power to heal people's ailments. When the cell block's head guard, Paul Edgecomb, recognizes Coffey's miraculous gift, he tries desperately to help stave off the condemned man's execution.

Reservoir Dogs (1992)
A botched robbery indicates a police informant, and the pressure mounts in the aftermath at a warehouse. Crime begets violence as the survivors -- veteran Mr. White, newcomer Mr. Orange, psychopathic parolee Mr. Blonde, bickering weasel Mr. Pink and Nice Guy Eddie -- unravel.

Se7en (1995)
Two homicide detectives are on a desperate hunt for a serial killer whose crimes are based on the "seven deadly sins" in this dark and haunting film that takes viewers from the tortured remains of one victim to the next. The seasoned Det. Somerset researches each sin in an effort to get inside the killer's mind, while his novice partner, Mills, scoffs at his efforts to unravel the case.

M (1931)
In this classic German thriller, Hans Beckert, a serial killer who preys on children, becomes the focus of a massive Berlin police manhunt. Beckert's heinous crimes are so repellant and disruptive to city life that he is even targeted by others in the seedy underworld network. With both cops and criminals in pursuit, the murderer soon realizes that people are on his trail, sending him into a tense, panicked attempt to escape justice.