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. (thetvdb.com)