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Dennis Andrew "Des" Nilsen, a.k.a. "The Kindly Killer" and "The Muswell Hill Murderer", was a Scottish necrophilic and ephebophilic serial killer who was active in London. He has murdered atleast 12 young men and boys. Nilsen was sentenced to life imprisonment on 4 November 1983. He died at York Hospital on 12 May 2018 of a pulmonary embolism and a retroperitoneal haemorrhage.
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