He Escaped Death at the Hands of a Twisted Serial Killer. So How Did He Become His ‘Compliant Accomplice?’
Tracy discusses the sordid connection between the corruption of the Chicago Democratic Machine and the mass murderer and pedophile, John Wayne Gacy
Criminal Mischief: Episode 62: Special Guests Dr. Katherine Ramsland and Tracy Ullman
Q&A with True Crime Authors Katherine Ramsland & Tracy Ullman: "The Serial Killer's Apprentice"
Tracy Ullman: Chicago knows Jeffrey Epstein's game all too well thanks to John Wayne Gacy
July 17, 2025 - "He Lured Victims for the Notorious 'Candy Man' Serial Killer. Here's What He Had to Say for Himself"
March 12 2022 - "CRIME HUNTER: How 'pedophile's pedophile' linked two serial killers" by Brad Hunter
Interview with Rod Blackhurst, director of John Wayne Gacy: Devil in Disguise
Review of John Wayne Gacy: Devil in Disguise by Rick Kogan
Review of John Wayne Gacy: Devil in Disguise by Richard Roeper
Interview with Alison True about John Wayne Gacy: Devil in Disguise
The tragedy of Chicago's notorious serial killer didn't end with his execution.
February 17, 2021 – “Craig Robinson, Chris Redd Comedies Join Andy Cohen Unscripted Series at Peacock” by Lesley Goldberg.
February 17, 2021 – “‘Real Housewives of Miami’ Revival in the Works at Peacock, Streamer Orders Comedies ‘Bust Down,’ Craig Robinson Series” by Joe Otterson.
February 17, 2021 – “Peacock Orders John Wayne Gacy 'Devil in Disguise' Docuseries: Watch the Chilling Trailer Here.” by Tony Maglio.