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..若能在平心接受人类美好的同时，也同样能平心的接受与之并行的人类丑陋的一面，这样，才算得上敢于真正的认识自己