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简介：菜鸟卧底Britain’s most notorious serial killer, Dennis Nilsen, confessed to killing 15 people in 1983. Over a five-year period, he picked up vulnerable young men, lured them back to his home and strangled them, before disposing of their bodies under the floorboards.　　The truth about how and why he killed has been the subject of much speculation in books and documentaries over the decade...…