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

The story of serial killer Geoffrey Evans and his accomplice John Shaw, who hit headlines in 1976 after the murders of two women in Ireland.

Poisonous Possession: Documentary lifting the lid on police investigations into some of the most incredible murder cases in criminal history.

The Child Killer: Fred Dinenage delves into the disturbing case of Mary Bell, who killed two boys aged three and four in 1968, when she was just 11 years old.

Responsible for five murders, Joshua Wade avoided justice for years and later confessed to killings that started from when he was just 14.

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

Anthony Russell: Three victims murdered, a string of robberies and a killer with nothing to lose - can the police catch Anthony Russell before he strikes again.

Tragedy strikes rural Iowa as two women are found murdered in their homes. When a local bank is robbed the same day, investigators connect the crimes.