Known For

Albert Fish: In Sin He Found Salvation

American Monster

Carl Panzram: The Spirit of Hatred and Vengeance

Your Worst Nightmare

One Night in Idaho: The College Murders

Killer Kids

The Co-Ed Killer: Mind of a Monster

The Idaho Student Murders

The Serial Killer's Apprentice

Becoming Evil: Serial Killers

The Torso Killer Confessions

BTK: Confession of a Serial Killer
Filmography

Staged: Deadly Deception
TV · as Self - Forensisch Psychologe · 10 eps

The Serial Killer's Apprentice
Movie · as Self

The Idaho Student Murders
Movie · as Self - Serial Killer Expert & Former Teacher of Bryan Kohberger (archive footage)

One Night in Idaho: The College Murders
TV · as Self - DeSales University Professor (archive footage) · 4 eps

The Mysteries of Bradshaw Ranch: Aliens, Portals, and the Paranormal
Movie · as Self - Forensic Psychologist / Author

The Torso Killer Confessions
TV · as Self - Forensic Psychologist · 2 eps

Sins of the Father: The Green River Killer
Movie · as Self - Forensic Psychologist

BTK: Confession of a Serial Killer
Movie · as Self - Author & Professor of Forensic Psychology

BTK: Confession of a Serial Killer
TV · as Self - Forensic Psychologist · 4 eps

The Co-Ed Killer: Mind of a Monster
Movie · as Self - Forensic Psychologist

Becoming Evil: Serial Killers
TV · as Self - Forensic Psychologist / Author · 7 eps

The Mark of a Killer
TV · as Self - Forensic Psychologist · 4 eps

American Monster
TV · as Self - Forensic Psychologist · 1 ep

Occult Crimes
TV · as Self - Professor of Forensic Psychology · 2 eps

Your Worst Nightmare
TV · as Self - Forensic Psychologist · 1 ep
Dennis Rader: The Bind and Torture Killer
Movie · as Self

Carl Panzram: The Spirit of Hatred and Vengeance
Movie · as Self - Forensic Psychologist

Killer Kids
TV · as Self · 1 ep

Albert Fish: In Sin He Found Salvation
Movie · as Self - Forensic Psychologist

National Vampire
Movie · as Self

Northern Mysteries
TV · as Self · 1 ep

20/20
TV · as Self - Professor of Forensic Psychology, DeSales University (archive footage) · 1 ep