A look at some of the most infamous crimes in U.K. history
Cast:Tom Roberts , Patricia Winker , Dermot Murnaghan , Paul Bergquist , Don Gayle , Ernest Vernon , Vanessa Winter-Lambourne , Nig Richards , Ian Dowden , Mark McCormick , Helen McGahan , Eric Campbell , Dorrie Partington , Laurence Alison , Michael Ralph Jones , Claryn Scott , John Clarkson , Gary Simpson
Rolf Harris: Victims and police discuss the shocking crimes of entertainer Rolf Harris, who was jailed for a number of sexual offences in 2014. Dermot Murnaghan presents. (S6, ep 1)
In the fall of 2012, a small Welsh town is rocked when a young girl vanishes. Uncover what happened as the police raced to find her adbuctor.
Dale Cregan: Drug dealer Dale Cregan hit the headlines in 2012 when he murdered police officers Nicola Hughes and Fiona Bone. Dermot Murnaghan examines the tragic case. (S6, ep 3)
Referred to as ''Scotland's worst serial killer'', Angus Sinclair is linked to the murders of two girls found dead in 1977 in Edinburgh.
The Moors Murders - An insight into the crimes of Myra Hindley and Ian Brady, featuring interviews with the family of Keith Bennett, who are still campaigning to find his body.
Suzy Lamplugh: A look at the case of estate agent Suzy Lamplugh, who showed a client round a house in Fulham in July 1986 and was never seen again. Dermot Murnaghan hosts. (S6, ep 6)