Dennis Andrew Nilsen (born 23 November 1945) is a serial killer and necrophiliac, also known as the Muswell Hill Murderer and the Kindly Killer, who committed the murders of 15 young men in London, England between 1978 and 1983. He retained his victims' bodies for extended periods of time before dissecting their remains and disposing of them via burning or flushing the remains down a lavatory. Nilsen was convicted at the Old Bailey in November, 1983 of six counts of murder and two of attempted murder and is currently incarcerated at the HMP Full Sutton maximum security prison in the East Riding of Yorkshire, England