Known For
20/20
Self - Professor of Forensic Psychology, DeSales University (archive footage)
American Monster
Self - Forensic Psychologist
Northern Mysteries
Self
Your Worst Nightmare
Self - Forensic Psychologist
Killer Kids
Self
Occult Crimes
Self - Professor of Forensic Psychology
One Night in Idaho: The College Murders
Self - DeSales University Professor (archive footage)
National Vampire
Self
Filmography
Staged: Deadly Deception
2026
as Self - Forensisch Psychologe
The Serial Killer's Apprentice
2025
as Self
The Idaho Student Murders
2025
as Self - Serial Killer Expert & Former Teacher of Bryan Kohberger (archive footage)
One Night in Idaho: The College Murders
2025
as Self - DeSales University Professor (archive footage)
The Mysteries of Bradshaw Ranch: Aliens, Portals, and the Paranormal
2024
as Self - Forensic Psychologist / Author
The Torso Killer Confessions
2023
as Self - Forensic Psychologist
Sins of the Father: The Green River Killer
2022
as Self - Forensic Psychologist
BTK: Confession of a Serial Killer
2022
as Self - Author & Professor of Forensic Psychology
BTK: Confession of a Serial Killer
2022
as Self - Forensic Psychologist
The Co-Ed Killer: Mind of a Monster
2021
as Self - Forensic Psychologist
Becoming Evil: Serial Killers
2019
as Self - Forensic Psychologist / Author
The Mark of a Killer
2019
as Self - Forensic Psychologist
American Monster
2016
as Self - Forensic Psychologist
Occult Crimes
2016
as Self - Professor of Forensic Psychology
Your Worst Nightmare
2014
as Self - Forensic Psychologist
Dennis Rader: The Bind and Torture Killer
2013
as Self
Carl Panzram: The Spirit of Hatred and Vengeance
2011
as Self - Forensic Psychologist
Killer Kids
2011
as Self
Albert Fish: In Sin He Found Salvation
2007
as Self - Forensic Psychologist
National Vampire
2006
as Self
Northern Mysteries
2006
as Self
20/20
1978
as Self - Professor of Forensic Psychology, DeSales University (archive footage)