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, 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.

World's Most Evil Killers

S8, EP17 "Colin Whelan"

When Mary Gough is found dead in her family home, her husband Colin Whelan appears shocked.

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, EP4 "Russell Bishop"

A look at the man convicted of sexually assaulting and murdering two nine-year-old girls in 1986.

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.

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.

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, 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

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

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.

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

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, EP16 "Joe O'Reilly"

Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.

World's Most Evil Killers

S6, EP1 "John Allen & Lee Malvo"

The story of the Beltway sniper attacks; John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.

World's Most Evil Killers

S5, EP12 "Victor Ferrant"

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

World's Most Evil Killers

S7, EP2 "John Cannan"

Experts looks back on the crimes of John Cannan as he moved in and out of prison.

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