Mick Philpott: An examination of Mick Philpott, the notorious Derby father of 17 who murdered six children, five of them his own, when he set his own home on fire.
Mark Bridger: In 2012, April Jones disappeared from outside her home in Wales, never to be seen again. Her abductor, and murderer, was found to be Mark Bridger.
John Duffy and David Mulcahy - The Railway Killers: A profile of the two murderers who terrorised Britain in the 1980's with a string of attacks near railway stations.
Steven Grieveson - The Sunderland Strangler: Known as the "Sunderland Strangler", Steven Grieveson murdered four teenage boys before his capture. But what was his motive?
