Napper was not named in the Operation Enigma report, but Mr Wright was convinced that similarities in the cases - including the fact that both women were stabbed more than 40 times - were too striking to ignore. Using the techniques he learned during his five years as a Pc in central London, Mr Wright began detailing Napper's criminal history and his movements around London. He discovered that Napper had been released from an eight-week jail term for possessing an arsenal of weapons shortly before Claire was stabbed to death in Greenhithe, less than 10 miles from his home in Plumstead,