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, EP20 "Eric Locke"

Dublin man Eric Locke refuses to accept it when Sonia Blount, a mother of one, ends their relationship.

World's Most Evil Killers

S8, EP11 "Harry Jarvis"

When Carol Jarvis disappears, her husband tells friends and family that she's simply gone on a little holiday.

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, EP19 "Catherine Nevin"

Catherine Nevin reports a break-in and violent attack at her pub, which leaves her husband dead.

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

S6, EP7 "Derrick Todd Lee"

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

Britain's Most Evil Killers

S6, EP2 "Trimaan Harry Dhillon"

A killer attacks his ex-girlfriend in a jealous frenzy and commits a brutal murder after a campaign of harassment.

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

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, EP16 "Heriberto Seda"

A killer who goaded police and media during his spree, Heriberto Seda claimed to kill based on his victims' star signs.

Britain's Most Evil Killers

S5, EP3 "Kenneth Regan & William Horncy"

The shocking story of the two men who murder a millionaire and three generations of his family in a vicious, greed-fueled attack.

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

S8, EP4 "Jerald Wingeart"

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

Britain's Most Evil Killers

S6, EP3 "Jamie Reynolds"

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

World's Most Evil Killers

S7, EP11 "Anthony Allen Shore"

A Texas serial killer, Anthony Allen Shore was matched to four murders after his arrest for a different crime.

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