Dennis Andrew Nilsen (23 November 1945 – 12 May 2018) was a British serial killer and necrophile. He murdered at least 15 young men in a series of killings committed between 1978 and 1983 in London, England. He was convicted of six counts of murder and two of attempted murder at the Old Bailey, Nilsen was sentenced to life imprisonment on 4 November 1983, with a recommendation that he serve a minimum of 25 years. He was born in Fraserburgh, Aberdeenshire.