The Best Episodes of World's Most Evil Killers

For Richard Kuklinski, crime was his way of life. As a professional murderer, his unusual methods led to a disturbing nickname, The Iceman.

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A look at the life - and horrifying crimes - of Ted Bundy, a notorious serial killer who murdered at least 30 young women and girls between 1974 and 1978.

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Exhibiting cruelty, callousness, and viciousness beyond any human understanding, Richard Ramirez terrorized Los Angeles with his spate of home invasions.

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A profile of Ed Gein, the killer and body-snatcher who came to be known as the `Butcher of Plainfield', and whose story is thought to have inspired Alfred Hitchcock's Psycho.

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The case of serial killer Gary Ridgway, who has confessed to murdering a staggering 71 teenage girls and women across Washington state through the 1980s and 1990s.

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Sunset Strip Killers: The story of two killers who targeted young girls and sex workers for their own twisted pleasure. Descriptions of sexual violence and child abuse.

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John Allen and Lee Malvo: The story of the Beltway sniper attacks. John Allen and his teenage accomplice carried out the brutal series of shootings that killed 10.

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The chilling story of the serial killer who worked as a nurse in Texas, where she killed many children and infants by injecting them with drugs.

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A profile of the ghastly German serial killer who hunted and ate parts of his victims, earning him the title of the 'Ruhr Cannibal'.

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An insight into the crimes of Jeffrey Dahmer, the American serial killer dubbed the `Milwaukee Cannibal' after he raped, murdered and dismembered 17 people between 1978 and 1991

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The crimes of the American serial killer Dennis Rader, who murdered 10 people in the Wichita, Kansas area over 17 years and dubbed himself BTK - meaning `Bind, Torture, Kill'.

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A profile of the serial killer who took the lives of six victims in one month, known to some as The Vampire Killer due to his penchant for cannibalism.

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A look at the lives and crimes of a duo of cousins who, together, took the lives of 10 girls and women aged between 12 and 28.

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A profile of Derrick Todd Lee, who murdered seven women in the Baton Rouge area of Louisiana, and was sentenced to death for his chilling crimes.

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The Alaska serial killer Robert Hansen who murdered at least seventeen women during a spree that lasted for more than a decade.

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Documentary profiling Chicago killer John Wayne Gacy, who was well-liked by his local community, until it emerged he had ended the lives of 33 men in the 1970s.

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A profile of serial killer Danny Rolling, nicknamed the Gainesville Ripper, who targeted Florida students with crimes so horrific that he inspired the movie Scream.

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The story of the cold-blooded serial killer who took the lives of at least fifteen people during a terrifying decade-long murder campaign.

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In 1999 and 2000, women began disappearing from Detroit's thriving areas of prostitution. No one suspected that John Eric Armstrong, a seemingly normal father was actually a killer.

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Serial killer Edmund Kemper killed six women in California and several members of his family.

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Examining the murderer who appeared on a dating game show in the midst of a killing spree that may have claimed as many as 130 victims.

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A profile of the serial killer who found himself at the center of New York's biggest manhunt after a vicious shooting spree that left six dead.

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The Shoe Fetish Killer: The crimes of Jerry Brudos, whose disturbing shoe fetish played a part in the gruesome murders he carried out on four young women.

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The story of the serial killer Sean Vincent Gillis, who brutally snatched away the lives of eight innocent women during a decade-long killing spree in Louisiana.

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The story of one of the most prolific serial killers in Canadian history, dubbed `The Pig Farmer Killer' by the media.

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