World's Most Evil Killers

41-year-old Andrzej Kunowski was a prolific paedophile who entered the UK illegally in 1996.

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

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

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.

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.

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

Robert Ben Rhoades, aka the Truck Stop Killer, raped and tortured women in the back of his truck for over a decade from the mid-70s.

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.

Once a respected local doctor in Hyde, Manchester, Dr. Harold Shipman became better known as Dr. Death. In January 2000, Shipman was found guilty of murder and sentenced to life imprisonment.

In December 1998, Angel Resendiz brutally beat Dr. Claudia Benton to death in her own home. He's suspected of murdering at least nine more people and evaded authorities by using multiple aliases.

A duo terrorized LA by killing and dumping the bodies of ten females 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 the late 70s, adoptive cousins Angelo Buono and Kenneth Bianchi reigned terror over Los Angeles by strangling ten young women and dumping their bodies on hillsides.

Angel Reséndiz spreads fear throughout the U.S. by brutally beating people to death near railroads.

Richard Trenton Chase was an American serial killer who brutally murdered six people within a month in the late 70s in California. Chase was given the nickname "The Vampire of Sacramento."

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.

Sante and her 23-year-old son Kenny Kimes were a murderous duo who killed three people in the late 90s, including an 82-year-old woman.

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.

David Berkowitz, aka the Son of Sam, is a serial killer who murdered six people and brutally wounded seven others in the late 60s. When he was arrested, he claimed that the devil made him do it.

In 1991, Christopher Hightower slaughtered an entire family to cover up a trail of fraud. He buried his victims in shallow graves. In 1993, he was sentenced to life without parole.

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.

John Sweeney killed two of his former girlfriends and then dumped their dismembered bodies in canals in Rotterdam and London. He was sentenced in 2011 and was given a whole life tariff.