The
Railway Killer, who attacked numerous women in the south of England, raping all of them and murdering three, before revolutionary psychological profiling helped police to catch him, although they got no nearer the accomplice they knew Duffy worked with. He was given a 30 year tariff for two murders and seven rapes which, after the law lords' ruling, was re-activated, meaning that he could be considered for release in 2018. After 12 years in prison, Duffy went on a conscience-clearing exercise, admitting to a third killing of which he'd been originally acquitted, and implicating schoolfriend David Mulcahy as his accomplice. He also revealed his part in countless other rapes, for which he received a further 12 years. After Duffy gave evidence against him, Mulcahy was given life sentences for three murders and seven rapes in 2001 but was not subjected to a whole life tariff because of the timing of his case in relation with the review.
