John Wayne Gacy aka "Pogo the Clown" and "The Killer Clown" was a serial killer convicted of 33 murders of which 29 victims were buried beneath his home at 8213 W. Summerdale Ave. in Norwood Park Township, Cook County Illinois. Gacy was executed by the state of Illinois on May 10, 1994.
 
Original 8" x 10" crime scene photograph used as a trial exhibit with the embossed Cook County stamped seal.
 Obtained from his former legal counsel.  Photo of evidence found in his home, dated March 1979.