- NAME: Park Dietz
- OCCUPATION: Psychiatrist
- BIRTH DATE: 1948
- Did You Know?: Park Dietz has a collection of serial-killer trading cards kept in a wall-length display case at home.
- EDUCATION: Cornell University, Johns Hopkins University
- PLACE OF BIRTH: Camp Hill, Pennsylvania
- Full Name: Park Elliott Dietz
- AKA: Park Dietz
- AKA: Dr. Park Dietz
Best Known For
Park Dietz is best known as one of America's most prominent and accomplished forensic psychiatrists and has provided expert testimony in high profile cases.
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Born in Pennsylvania in 1948, Park Dietz is one of America's most prominent and accomplished forensic psychiatrists. He has consulted and testified in many high profile criminal cases, including John Hinckley Jr., Jeffrey Dahmer, Susan Smith, Polly Klaas, Joel Rifkin,
"I've been very lucky. I get to use everything I've got, often in events that matter, where I get to make a difference. It doesn't get any better than that."
Park Elliott Dietz was born in Camp Hill, Pennsylvania, in 1948. Dietz described his mother, a nurse, as "a lovely, generous, loving woman." He felt his father was hard to please, however, and as a physician who was the son of physician, his father made it clear he expected his only child to practice medicine as well. At dinner time, his father would sometimes make Dietz look at photographs of surgical procedures.
At a young age, Dietz showed a strong inner drive. When, in the fourth grade, a teacher sent home a note to his parents that said he had weak coordination, Dietz learned to play the drums to prove her wrong, eventually excelling so much that he was performing professionally in local rock-and-roll and soul bands at the age of 12.
In 1966, Dietz entered Cornell University, and it was there that his interest in studying deviant behavior grew. During his sophomore year, he took a class called "Sociology of Deviance" which was known among students as "Nuts & Sluts." After pursuing a dual major in psychology and biology, in 1970 he graduated with cum laude honors. Dietz the next two years on a senatorial scholarship studying at the University of Pittsburgh School of Medicine before transferring to John Hopkins University in 1972. There he earned an M.D., a master's degree in public health (1975) and did a residency in psychiatry.
In 1978, at age 29, Dietz became the youngest assistant professor at the Harvard Medical School. During this time he also worked as director of forensic psychiatry at Bridgewater State Hospital for the Criminally Insane until 1980. In 1982, Dietz testified for the prosecution at the trial of John Hinckley Jr., the man who attempted to assassinate President Ronald Reagan. His expert testimony put him in the spotlight, and the legal community, including the FBI, began to approach him for his expertise. That same year, Dietz left Harvard to serve as Professor of Behavioral Medicine and Psychiatry and Professor of Law at the University of Virginia. In 1984 he earned a Ph.D. in sociology from John Hopkins University.
In 1987, Dietz launched the Threat Assessment Group (TAG), a firm that assists corporations, organizations and individuals to deal with stalkers, violent employees, product tamperers and other issues. He is also founder and head of the Park Dietz & Associates, Inc., a forensic consulting firm based in Newport Beach, California.
In his career, Dietz has testified or consulted in all 50 states in cases dealing with workplace threats and violence, multiple victim homicides, mass murders, serial killings and sex crimes.
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