Harry Jarvis: When Carol Jarvis vanished, doubts grew over her husband Harry's story - and sinister letters he sent his mistress did little to support his lies. (S8, ep 1) [S]
Graham Coutts: In 2003, Jane Longhurst vanished. Her body was found weeks later and police soon closed in on Graham Coutts, who Jane had planned to meet. (S8, ep 2) [S]
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 fiancÂee. (S7, ep 10) [S]
Colin Campbell: Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder. (S7, ep 9) [S]
Stephen Unwin & William McFall: After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences. (S7, ep 8) [S]
Zahid Zaman: On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister. (S7, ep 7) [S]
Ian Stewart: Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier. (S7, ep 6) [S]
David Bieber: A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search. (S7, ep 5) [S]
John Cannan: A dangerous sexual predator, John Cannan murdered one young woman just days after his release from prison, and is suspected of many others. (S7, ep 4) [S]
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. (S7, ep 3) [S]
Pawel Relowicz: The story of 27-year-old Pawel Relowicz, who raped and killed 21-year-old Hull student Libby Squire in a case that made headlines around the UK. [S]
Lee Ford: The chilling story of Lee Ford, who killed his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000. [S]
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. [S]
Colin Pitchfork: He took the life of two 15-year-old girls and became the first person to be convicted of murder based on DNA fingerprinting evidence. [S]
Killer Women - Sabah Khan: The horrifying story of a woman who murdered her own sister in a brutal attack, after developing a deadly obsession with her brother-in-law. [S]
Dale Cregan: A profile of the serial killer who was sentenced to life in prison after the senseless murders of two men and two police officers in 2012. [S]
Harold Shipman: A profile of one of the most prolific serial killers in history. With an estimated victim-count of 250, what drove his horrific crimes? [S]
Christopher Halliwell: A look at the convicted double-murderer responsible for taking the lives of Becky Godden-Edwards in 2007 and Sian O'Callaghan in 2011. [S]
Vincent Tabak: A chilling look at the man responsible for one of the biggest police investigations in Bristol - the cold-blooded murder of Joanna Yeates. [S]
John Cooper: A look at the Welsh serial killer known to some as The Wildman, who got four life sentences for a string of gruesome murders and sexual assaults. [S]
Derrick Bird: Meet the perpetrator of one of the worst firearm crimes in British history. After brutally killing 12 people in Cumbria, he then turned the gun on himself. [S]
David Heiss: A look at the 21-year-old killer who brutally took the life of British student Matthew Pyke, after developing an obsessive infatuation with his girlfriend. [S]
Colin Ireland: He decided to become a serial killer and brutally snatched away the lives of five innocent men. This is the story of the calculated murderer. [S]
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 fiancÂee. (S7, ep 10) [S]
Colin Campbell: Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder. (S7, ep 9) [S]
John Cannan: A dangerous sexual predator, John Cannan murdered one young woman just days after his release from prison, and is suspected of many others. (S7, ep 4) [S]
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. (S7, ep 3) [S]
Malcolm Green: 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. [S]
Mark Martin: The Sneinton Strangler: The chilling story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer. [S]
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 fiancÂee. (S7, ep 10) [S]
Colin Campbell: Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder. (S7, ep 9) [S]
Stephen Unwin & William McFall: After striking up a friendship in prison for previous murders, Stephen Unwin and William McFall's release had awful consequences. (S7, ep 8) [S]
Zahid Zaman: On the surface, Zahid Zaman portrayed himself as a pillar of the community, but the true story of this cult killer was deeply sinister. (S7, ep 7) [S]
Ian Stewart: Jailed for the dreadful murder of a children's author, Ian Stewart receives a second conviction for the death of his wife, six years earlier. (S7, ep 6) [S]
David Bieber: A fugitive from the United States murders one British police officer and tries to kill two more, sparking a nationwide search. (S7, ep 5) [S]
John Cannan: A dangerous sexual predator, John Cannan murdered one young woman just days after his release from prison, and is suspected of many others. (S7, ep 4) [S]
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. (S7, ep 3) [S]
Malcolm Green: 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. [S]
Mark Martin: The Sneinton Strangler: The chilling story of Mark Martin, who murdered three homeless women in his quest to become Nottingham's first serial killer. [S]
Geoffrey Evans & John Shaw: 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. [S]
Daniel Gonzalez - Freddy Krueger Killer: The story of the killer who took four lives during a chilling two-day killing spree in 2004 after being inspired by horror films. [S]