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" two page typed letter hand dated July 31, 1980 with excellent content that Gacy sent to his investigator, NIck Mestousis.
Hand signed at the close, J.W.

Gacy has handwritten a PS below his signature, "Maybe you can find one cheaper up there."
Includes original death row mailing envelope postmarked August 1, 1980, Menard, IL.