Biography
Park Dietz (born 1948) is a forensic psychiatrist who has consulted or testified in many of the highest profile US criminal cases including Joel Rifkin, Arthur Shawcross, Jeffrey Dahmer, The Unabomber, Richard Kuklinski, the Beltway sniper attacks, and Jared Lee Loughner. He came to national prominence in 1982 during his five days of testimony as the prosecution’s expert witness in the trial of John Hinckley, Jr., for his attempted assassination of President Reagan on March 30, 1981. Then an ass...
Known For
Complete Filmography
Death of a Fantastic Machine
2025
as Self (archive footage)
Documentary film from 2025 by directors Axel Danielson and Maximilien Van Aertryck. A short film about how economic interests have, throughout histor...
And the King Said, What a Fantastic Machine
2023
as Self (archive footage)
From the first camera to 45 billion cameras worldwide today, the visual sociologist filmmakers widen their lens to expose both humanity's unique obses...
Jeffrey Dahmer: Mind of a Monster
2020
as Self - Forensic Psychiatrist
With access to hundreds of pages of police and FBI transcripts and personal testimony from family, friends, and survivors, the haunting story of how J...
Crazy, Not Insane
2020
as Self - Forensic Psychiatrist
Fascinated by the human brain and its capacity for ruthlessness, psychiatrist Dr. Dorothy Otnow Lewis has spent her life investigating the interior li...
The Virgin Killer
2014
as Self - Forensic Psychiatrist
An examination of the events of 23 May 2014, when British-born Elliot Rodger killed six students in Santa Barbara before turning the gun on himself
Starsuckers
2009
as Self - Forensic Psychiatrist
Starsuckers is the most controversial documentary of the year, and was released in British cinemas in November 2009 to critical acclaim. It's a darkly...
The Iceman and the Psychiatrist
2004
as Self
For the third time, HBO cameras go inside Trenton State Maximum Security Prison--and inside the mind of one of the most prolific killers in U.S. histo...
Kiss the Girls
1997
Technical Advisor
Forensic psychologist and detective Alex Cross travels to North Carolina and teams with escaped kidnap victim Kate McTiernan to hunt down "Casanova," ...
Acts of Violence
1985
as Self - Psychiatrist
A riveting expose about the personalities of murderers and their motives. This 72 minute film covers the McDonalds' restaurant massacre, President Rea...