True Crime Files

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

The story of Malcolm Green, who was jailed for life for the brutal murder of a Cardiff prostitute, only to kill again when he was released after 18 years.

The story of the Beltway sniper attacks. John Allen and his teenage accomplice carried out the brutal series of shootings that killed 10.