Park Dietz
American forensic psychiatrist (born 1948) / From Wikipedia, the free encyclopedia
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Park Elliot Dietz (born August 13, 1948) is a forensic psychiatrist who has consulted or testified in many of the highest-profile US criminal cases, including those of spousal killer Betty Broderick, mass murderer Jared Lee Loughner, and serial killers Joel Rifkin, Arthur Shawcross, Jeffrey Dahmer, Ted Kaczynski, Richard Kuklinski, the D.C. sniper attacks, and William Bonin.[3][4]
Park Dietz[1] | |
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Born | Park Elliot Dietz (1948-08-13) August 13, 1948 (age 75) |
Alma mater | Johns Hopkins University (M.D., Ph.D., M.P.H.) Cornell University (A.B.)[2] |
Occupation | Psychiatrist |
Years active | 1978–present |
Employer(s) | Park Dietz & Associates, Inc Threat Assessment Group, Inc. UCLA School of Medicine Forensic Sciences Unit, New York State Police Critical Incident Response Group, National Center for the Analysis of Violent Crime [citation needed] |
Known for | Forensic psychiatry Expert testimony in high profile criminal cases |
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 assistant professor of psychiatry at Harvard Medical School, Dietz testified that at the time of the shooting, Hinckley knew what he was doing, knew it was wrong, and had the capacity to control his behavior thus was not legally insane.[5]
Dietz is also a criminologist, and in 1987 he created the specialty of workplace violence prevention in founding Threat Assessment Group, Inc. (TAG), which specializes in analyzing and managing threatening behavior and communications, stalking, risks arising from domestic violence, and other abnormal activity in corporations, colleges, and schools.[6] As of 2013, more than 20,000 senior corporate managers have attended TAG training seminars.[7]
A separate company, Park Dietz & Associates (PD&A), is a forensic consulting firm specializing in criminal behavior analysis, forensic psychiatry, forensic psychology and other forensic sciences, serving prosecutors, criminal defense attorneys, and attorneys representing defendants and plaintiffs in civil litigation.[8] PD&A's national roster of experts includes physicians, psychologists, and retired FBI agents with wide expertise on the forensic aspects of fields as diverse as neurology, social work and pathology.[9] Both TAG and PD&A are headquartered in Southern California with PD&A having a second office in Washington, D.C.[10][11]
In addition to his work as a forensic psychiatrist, Dietz has consulted for television shows including Law & Order and Law & Order: Criminal Intent.[12]