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. Three page letter dated August 29, 2003, hand signed at the close, Des.  Includes the original mailing envelope postmarked 2003.