Dennis Andrew Nilsen aka "The Muswell Hill Murderer" and the "Kindly Killer" was one of the most notorious British serial killers and necrophiliacs to ever live. Nilsen was responsible for the murders of at least 12 men. He died in prison on May 12, 2018.
One page handwritten pre-conviction letter written on jail stationary approximately four months after his arrest! Hand dated 1st May 83 and the stamp dated twice 4 May 1983 and 3 May 1983 and hand signed twice! Hand signed at the top, D.A. Nilsen and hand signed again at the close, Dennis Nilsen.