(2011) Carl Panzram: The Spirit of Hatred and Vengeance

as Self - Forensic Psychologist

(2022) Sins of the Father: The Green River Killer

as Self - Forensic Psychologist

(2021) The Co-Ed Killer: Mind of a Monster

as Self - Forensic Psychologist

(2022) BTK: Confession of a Serial Killer

as Self - Author & Professor of Forensic Psychology

(2007) Albert Fish: In Sin He Found Salvation

as Self - Forensic Psychologist

(2024) The Mysteries of Bradshaw Ranch: Aliens, Portals, and the Paranormal

as Self - Forensic Psychologist / Author

(2006) National Vampire

as Self

(2025) The Serial Killer's Apprentice

as Self

(2025) The Idaho Student Murders

as Self - Serial Killer Expert & Former Teacher of Bryan Kohberger (archive footage)

(2013) Dennis Rader: The Bind and Torture Killer

as Self

(2022) BTK: Confession of a Serial Killer

as Self - Forensic Psychologist

(2023) The Torso Killer Confessions

as Self - Forensic Psychologist

(2019) Becoming Evil: Serial Killers

as Self - Forensic Psychologist / Author

(2019) The Mark of a Killer

as Self - Forensic Psychologist

(2014) Your Worst Nightmare

as Self - Forensic Psychologist

(2016) American Monster

as Self - Forensic Psychologist

(2025) One Night in Idaho: The College Murders

as Self - DeSales University Professor (archive footage)

(1978) 20/20

as Self - Professor of Forensic Psychology, DeSales University (archive footage)

(2006) Northern Mysteries

as Herself