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, 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.

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.

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, EP3 "Steven Dean Gordon"

Steven Dean Gordon and Frank Cano murder at least four sex workers in California between 2012 and 2013.

Britain's Most Evil Killers

S5, EP7 "Sabah Khan"

A woman murders her sister after developing a deadly obsession with her brother-in-law.

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, 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.

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.

Britain's Most Evil Killers

S6, EP9 "Mark Martin: The Sneinton Strangler"

The story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer.

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.

Britain's Most Evil Killers

S6, EP4 "Sarah Williams & Katrina Walsh"

Sarah Williams and Katrina Walsh, the two friends carry out the jealousy-fuelled murder of Sadie Hartley.

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

"Jerry Brudos"

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

World's Most Evil Killers

S5, EP6 "Sunset Strip Killers"

Douglas Clark and Carol Bundy were a deadly duo who terrorized the streets of Los Angeles in the summer of 1980, targeting vulnerable women, teenagers and even a child.

Britain's Most Evil Killers

S6, EP5 "Lee Ford"

Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.

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