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 Prisoners

S1, EP2 "O'Rourke"

James "Porky" O'Rourke's addiction to violence means he is one of the most feared men in the UK prison system.

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.

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 "Nichols"

While on trial for rape, 33-year-old Brian Nichols goes on a violent rampage that results in three murders.

World's Most Evil Killers

S6, EP3 "Sean Vincent Gillis"

A serial killer brutally snatches away the lives of eight innocent women during a decade-long killing spree in Louisiana.

World's Most Evil Killers

S8, EP7 "Richard Biegenwald"

Over a 25-year career of murder, Richard Biegenwald kills at least six people.

World's Most Evil Killers

"Phillip Austin"

A profile of the father who took his two young children for a fish and chip supper after murdering his wife and strangling them when they returned home.

World's Most Evil Killers

S7, EP4 "Colin Campbell"

Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder.

Britain's Most Evil Killers

S6, EP6 "Pawel Relowicz"

Pawel Relowicz rapes and kills 21-year-old Hull student Libby Squire in a case that made headlines around the UK.

World's Most Evil Killers

S8, EP1 "Lester Jones"

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

World's Most Evil Killers

S5, EP10 "Cesar Barone"

The American serial killer Cesar Barone took the life of four women in and around Hillsboro, Oregon in the 1990s.

World's Most Evil Killers

S7, EP8 "Adrian Prout"

A master manipulator is accused of the murder of his wife, and is eventually caught out by a polygraph test - and his own fiancée.

World's Most Evil Killers

S6, EP8 "Velma Barfield"

The first woman executed by lethal injection after taking six lives.

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

S8, EP13 "Jordan Monaghan"

Jordan Monaghan kills his 24-day-old daughter Ruby on New Year's Day in January 2013.

World's Most Evil Killers

S7, EP10 "Zahid Zaman"

On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister.

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