World's Most Evil Killers

John Sweeney killed two former girlfriends and then dumped their bodies in canals in Rotterdam and London.

In 2012, one-eyed gangster Dale Cregan went on a ruthless killing spree and murdered four people in Greater Manchester. He killed a father and son as well as Police Constables Fiona Bone and Nicola Hughes.

Robert Benjamin Rhoades, also known as The Truck Stop Killer, is an American serial killer and rapist.

In the summer of 1976, David Richard Berkowitz, the Son of Sam, pleaded guilty to eight separate shootings that began in New York City.

In July 1992, Robert Napper stabbed Rachel Nickel in front of her 2-year-old son. In November 1993, he broke into the home of Samantha Bisset and stabbed her to death.

Sante and her son Kenneth Kimes are a murderous duo who killed three people in the 1990s; Sante Kimes fools victims across the U.S. during her outlandish 43-year crime spree.

45-year-old Stephen attempted to kill his parents and nephew in a car crash. After the plan failed, the ruthless killer mercilessly executed his elderly parents with a shot gun.

American serial killer Richard Trenton Chase brutally murdered six people within one month.

Over four months during the late-70s, a killing duo terrorized LA by killing and dumping the bodies of ten women and girls as young as 12 on the city hillsides.

Bill Suff mutilated and murdered twelve sex workers in Riverside, California during the late 80s. At its peak, his spree of killings resulted in a victim a month.

In December 1998, The Railroad Killer, 38-year-old Angel Reséndiz brutally beat Dr. Claudia Benton to death in her own home; he's suspected of murdering at least nine more people; he evades authorities by using a multitude of aliases.

Once a respected local doctor in Hyde, Manchester, Dr. Harold Shipman became better known as Dr. Death.

Rapist Arthur Hutchinson escaped from police custody in October 1983. Whilst on the run, he broke into the Laitners' house in Dore, Yorkshire and murdered three family members.

Andrew Dawson brutally stabbed his neighbors to death before leaving their bodies in bathtubs full of water and bleach.

Peter Moore was a sadistic serial killer who killed and mutilated four men in North Wales in 1995. The local cinema owner had an obsession with Nazis and sadomasochistic sex.

Daniel Siebert was an American serial killer who confessed to killing ten people in the 80s. At the height of his killing spree, he murdered five people, including two children and his girlfriend.

Todd Kohlhepp was a serial killer who murdered seven people over a 13-year period.

Anthony Arkwright slaughtered his grandparents before murdering and mutilating two neighbours in a rampage over a four-day period in 1988.

An in-depth look at some of the world's most dangerous murderers.