Marcus Valentin
Director
![Jacqueline Bynon]()
Jacqueline Bynon
Self - Narrator
Skip Hollandsworth
Self - Writer, Texas Monthly
![David Massey]()
David Massey
Self - Former Investigator, Houston Police
![Danny James]()
Danny James
Self - Former Investigator, Houston Police
![Ben Winkle]()
Ben Winkle
Self - Malley Winkle's Brother
![Bernie Milligan]()
Bernie Milligan
Self - Local Residents
![Sidney Smith]()
Sidney Smith
Self - Former Investigator, Pasadena Police
![Dan Furstenfeld]()
Dan Furstenfeld
Self - Former Investigator, Houston Police
![Sharon Derrick]()
Sharon Derrick
Self - Forensic Anthropologist
![Dean Corll]()
Dean Corll
Self - Serial Killer
John Wayne Gacy
Self - Serial Killer
Cineby 
★ 7.3 
★ 6.8 
★ 8 
★ 7.5 
★ 7.3 
★ 7.4 
★ 6.8 
★ 7.5 
★ 7 
★ 6 
★ 7.7 
★ 6.7 
★ 7.1 
★ 7.2 
★ 7.2