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.

Britain's Most Evil Killers

S5, EP6 "Jason Marshall"

A look at the twisted killer who tortured and murdered a man in his home while filming it.

World's Most Evil Killers

S8, EP8 "Richard Paul White"

Police in Aurora, Colorado find the body of a young man in his own home with a bullet wound to the head.

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

S8, EP6 "Richard Kuklinski"

Richard Kuklinski claims to have murdered over 100 people for New York and New Jersey's crime families.

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, EP10 "Genene Jones"

A serial killer works as a nurse in Texas, where she kills many children and infants by injecting them with drugs.

World's Most Evil Killers

S8, EP18 "Charlotte and Linda Mulhall"

In March 2005, the gardaí recover human body parts from the Royal Canal in Dublin.

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.

World's Most Evil Killers

S7, EP6 "Nathan Matthews"

A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother.

Britain's Most Evil Killers

S5, EP8 "Colin Pitchfork"

Colin Pitchfork is the first person to be convicted of murder based on DNA fingerprinting evidence.

Britain's Most Evil Killers

S6, EP10 "Malcolm Green"

Malcolm Green is jailed for life for the brutal murder of a Cardiff prostitute; he kills again when he is released after 18 years.

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.

World's Most Evil Killers

S8, EP6 "Richard Kuklinski"

Richard Kuklinski claims to have murdered over 100 people for New York and New Jersey's crime families.

World's Most Evil Killers

S6, EP8 "Velma Barfield"

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

World's Most Evil Killers

S7, EP3 "Lewis Daynes"

Exploring a case highlighting the many dangers of online grooming; on 17 February 2014, fourteen-year-old Breck Bednar was lured to a London flat before being killed by a fellow teenager.

World's Most Evil Killers

S8, EP7 "Richard Biegenwald"

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

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