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)
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)
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)
