John Wayne Gacy aka "The Killer Clown" and "Pogo the Clown" who was convicted of murdering 33 young men and boys and burying 29 of them beneath his home and in his crawlspace in Des Plaines, Illinois. Gacy executed via lethal injection by the state of Illinois on May 10, 1994.
 
8 1/2" x 11" one page typed letter dated September 8, 1983 which Gacy sent to his lead investigator. Hand signed at the close, John.
 
Includes original mailing envelope from death row postmarked September 9, 1983 Menard, IL.