Terry Sullivan served as a prosecutor for the State’s Attorney in spearheading the investigation and arrest of John Wayne Gacy, Jr., and was one of the key prosecutors at Gacy’s trial. He is the president of the Sullivan Firm, a law firm with offices in Rolling Meadow and Chicago, Illinois. Presently in private practice, he has been an on-air legal analyst for Chicago’s WGN-TV (Channel 9) for ten years and has made numerous national and local radio and television appearances. He has been quoted on many high profile cases from O. J. Simpson to the William Balfour murder trial that involved the family of Jennifer Hudson.
The late Peter T. Maiken was the retired arts editor for the Chicago Tribune and publications editor for Beloit College in Wisconsin. He's the author of Killer Clown: The John Wayne Gacy Murders.