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.

A Question of Doubt: The John Wayne Gacy Story, hardcover book, 1993 Myco Associates Ltd, first edition number 145. Most copies of the book were destroyed before it was even released. Hand signed on the inside two gentleman involved in getting the book published, one who knew Gacy prior to his arrest. The book is also signed by former Des Plaines, Illinois Chief of Police, Joseph R. Kozenczak.
This book also includes a handwritten and hand signed letter on Gacy's stationary from death row which is incorporated into the book and which reads, "Greetings Reader, There are always at least two sides to a story.  Thank you now for reading it from my point of view. John Wayne Gacy."

Includes a copy of a 30 minute conversation between Chief Investigator Joseph Kozenczak and a writer/editor for Playboy magazine conducted the day after Kozenczak witnessed Gacy's execution.

John Wayne Gacy Signed A Question Of Doubt Hardcover Kozenczak