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 taken in Gacy's crawlspace December 1979.
 
Trial exhibit photo has been stamped with the embossed Cook County seal. Originally obtained from his former legal counsel. 
 
Photo shows what appears to be human remains in the crawlspace of Gacy's home.