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

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.

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

S5, EP6 "Jason Marshall"

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

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, EP18 "Charlotte and Linda Mulhall"

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

World's Most Evil Killers

S7, EP1 "Stephen Unwin & William McFall"

After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.

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

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

S7, EP1 "Stephen Unwin & William McFall"

After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences.

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

S6, EP9 "Chester Turner"

A cold-blooded serial killer takes the lives of eleven people during a terrifying decade-long murder campaign.

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, 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, 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, EP1 "Lester Jones"

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

Britain's Most Evil Killers

S5, EP10 "Billy Dunlop"

A profile of the killer who, after killing 22-year-old Julie Hogg, became the first person to be convicted under revised UK double-jeopardy laws.

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