Cold Case Killers - Season 3

A fatal shooting in an Orkney restaurant in 1994 - and how it would be 14 years before the killer no one expected was brought to justice.

A small fleck of paint becomes a lead to finding the killer who murdered Doctor Brenda Page fourty years ago.

The stories behind famous cold case murder investigations.

Ten years after local Cardiff girl Geraldine's body was found a few days before Christmas, Detective Superintendent Paul Kemp and his team set out to catch the culprit with new groundbreaking forensic science. However, when they get a DNA match to a suspect they must act fast as he is about to be released from Dartmoor Prison.

Thirty years after an unsolved murder, changed loyalties may help find Sally McGrath's murderer. We investigate whether a series of unsolved sexual assaults are connected to the killing.

Exploring the murder of 22-year-old office clerk Teresa de Simone, who was found dead in the back of her car in 1979. Sean Hodgson's confession was one amongst multiple confessions of men which turned out to be hoaxes, however his statement matches unpublished details of the crime scene. Hodgson now hopes new DNA technology will clear his name, after decades in prison and several failed appeals.

Investigating the murder case of Samo Paul and Tracey Turner from the 1990s. In 1997 former Chief constable Mick Creedon and his team in Leicester announced that the cold case murders are the work of one man- a serial sexual predator who is still out there. Creedon uses the DNA in an attempt to catch the killer before he strikes again.

Following the murder case of 26-year-old Surjit Athwal, who failed to come home to London from a family trip to India in the December of 1998. Her husband and mother-in-law returned without her claiming that Surjit changed her travel plans, however Surjit's brother Jagdeesh reported her as a missing person to the police. Law enforcement faced a wall of silence from the tight knit Sikh community. A women who knew what had happened to Surjit feared she would be the next to disappear if she chose to reveal the truth.