Colin Frederick Campbell (born 16 September 1947) is a British double murderer who in the early 1980s abducted two random women in west London and killed them in sexually motivated attacks. In 2013, 32 years after the event, Campbell was convicted of the high-profile unsolved murder of 17-year-old Claire Woolterton after a DNA match was found to him. He was already in prison for the 1984 killing of Deirdre Sainsbury, but had wrongly had his murder conviction in this case downgraded to manslaughter on the grounds of diminished responsibility in 1999 after he claimed that he had only killed her due to having an eplieptic fit. In an open prison and about to be released in the early 2010s, Campbell was finally apprehended for Woolterton's murder, which had led to one of the UK's biggest manhun