Murder Files

Looking at the criminal career of double murderer Danilo Restivo, who stayed one step ahead of the law for almost 20 years. His crimes stretched from a seaside resort in England to a small town in Italy and sparked a huge international manhunt. Restivo's bizarre fetish for cutting women's hair and, on at least two occasions, then cutting their throats and mutilating their bodies, has earned him the chilling nickname The Haircut Killer. His conviction in June 2011 for the murder of Bournemouth mother-of-two Heather Barnett ended one of the longest manhunts in recent history.

The series takes a look at the criminal career of John Sweeney who was described as handsome and charming. Hebutchered at least two women over a 20-year period and used his crimes for artistic inspiration.

The series takes a look at the crimes of Neil Entwhistle, who as convicted of murdering his wife and infant child.

A look at the case of Michael Ross, who was convicted of murdering a waiter when he was 15.