A killer is cleaning up the streets of Milan by murdering those considered as deviant. An ornamental dragonfly, soaked in the blood of the victim, is left on each body.

Based on a true story of serial killer a model citizen, loving father and husband and serial killer John Wayne Gacy, a man with over 30 dead men and boys entombed in the crawl space underneath his house which he shared with his family.

A chronicle of the crimes of Ted Bundy, from the perspective of his longtime girlfriend, Elizabeth Kloepfer, who refused to believe the truth about him for years.

A serial killer tries to live peacefully with his son in a countryside village. But a girl who knows he's a killer moves in. He decides he must kill her to protect his new life.

A new case for the energetic criminal investigation officer Beate Stein: The half-undressed corpse of a subway driver is found in a subway tunnel. It soon seems as if the perpetrator has been found in a convicted female murderer. But after his death, the murders continue ...

High-priced prostitutes are being systematically murdered, their corpses mutilated, and a bizarre South American symbol painted in blood is found at the scene. The cop investigating is out to solve the crime before his ex wife, a reporter, becomes the next victim.

When New York is caught in the grip of a sadistic serial killer who preys on patrons of the city's underground bars, rookie cop Steve Burns infiltrates the S&M subculture to try and lure him out of the shadows.

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.

Over the course of a decade, editors of the San Francisco Chronicle entice themselves in the murders of the Zodiac Killer. However, as time runs its course, interest in the case dwindles in the eyes of the professionals. The Killer stops interacting with the public. However, believing he has the answers, an amateur cartoonist from the initial sightings races against time to prevent what he believes is another murder.

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.

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.

An agoraphobic psychologist and a female detective must work together to take down a serial killer who copies serial killers from the past.