THE CHICAGO KILLER: The Hunt For Serial Killer John Wayne Gacy is the story of the capture of John Wayne Gacy, as told from the perspective of the former Chief of Detectives of the Des Plaines, Illinois Police Department , Joseph Kozenczak. The conviction of Gacy on 33 counts of murder is significant in the annals of the criminal justice system in the United States. Two articles give the reader a comprehensive insight into the use of psychics and the lie-detector in a serial murder investigation. Joseph R. Kozenczak is a private investigator in Chicago. He is the former Chief of Police for the City of Des Plaines, Illinois and also served as the Chief of Detectives. Mr. Kozenczak was the arresting officer and chief investigator in the John Wayne Gacy serial murder investigation. Mr. Kozenczak is recognized as a national expert in missing person issues. Mr. Kozenczak is an accomplished artist, sculptor and photographer. He may be reached at the Email forwarding service via the author web page. (xlibris.com) Karen Kozenczak is the  Director of Media Services for the City of Des Plaines, a suburb of Chicago, Illinois. She is the author of numerous articles published in a variety of periodicals, many of which she also co-authored with her husband, Joseph. Kozenczak. In addition to writing, Mrs. Kozenczak enjoys music, jogging, photography, golf and the theater. Used Book in Good Condition