A whole channel dedicated to the lives and crimes of some of the World's Most Evil Killers like Jeffrey Dahmer, Richard Ramirez, Dorothea Puente and more.

World's Most Evil Killers

S8, EP3 "John Eric Armstrong"

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

World's Most Evil Killers

S8, EP1 "Lester Jones"

In 2007, single mother of three Paige Birgfeld goes missing.

World's Most Evil Prisoners

S1, EP10 "Geas"

His time behind bars only made Italian-American mobster Freddy Geas even more brutal.

World's Most Evil Prisoners

S1, EP5 "Osuna"

Covered in tattoos, his terrifying appearance makes Jaime Osuna a feared man in the U.S. prison system; awaiting trial, he begins practicing Satanism and attempts to kill a fellow inmate.

World's Most Evil Prisoners

S1, EP1 "Vinter"

Gary Vinter, in prison for double murder, stabs a fellow inmate in the eye and gives another brain damage.

World's Most Evil Prisoners

S1, EP7 "Robertson"

James Robertson is one of the most feared men in the US prison system; he murdered his cellmate, attacked a prison employee and doesn't hold back from getting what he wants.

Britain's Most Evil Killers

S6, EP7 "Daniel Gonzalez"

The story of a killer who took four lives during a chilling two-day killing spree in 2004 after being inspired by horror films.

World's Most Evil Killers

S6, EP7 "Derrick Todd Lee"

The Baton Rouge Serial Killer, known for murdering seven women is sentenced to death for his chilling crimes.

World's Most Evil Killers

S7, EP5 "Joshua Wade"

Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just 14.

World's Most Evil Killers

S8, EP4 "Jerald Wingeart"

In January 1973, 20-year-old mother of one Dawn Magyar vanishes while on a shopping trip in Owosso, Michigan.

World's Most Evil Killers

S8, EP12 "Graham Coutts"

Jane Longhurst vanishes after making a plan to go swimming with her friend's boyfriend.

World's Most Evil Killers

S7, EP14 "Paul Michael Stephani"

The story of a killer who was infamous for his whimpering confessions over the phone after each of his murders.

World's Most Evil Killers

S7, EP7 "Mark Goudeau"

A man who terrorized Phoenix in an extensive year-long crime spree, committing nine murders with no apparent motive.

World's Most Evil Killers

S7, EP7 "David Bieber"

A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search.

World's Most Evil Killers

S8, EP9 "Billy Mansfield Jr."

Billy Mansfield Jr. moved between Florida and Michigan, targeting vulnerable women and girls.

Britain's Most Evil Killers

S6, EP8 "Geoffrey Evans & John Shaw"

Geoffrey Evans and his accomplice John Shaw hit headlines in 1976 after the murders of two women in Ireland.

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