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Richard Walter (psychologist)

American forensic psychologist

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A New York piece in April 2023 argued that Walter had inflated his credentials and work history and has been accused of perjuring himself as an expert witness in a murder trial.

Career

Walter developed a number of psychological classifications for violent crime, and was a co-founder of the Vidocq Society, an organization of forensic professionals dedicated to solving cold cases. As a psychologist for Michigan's prison system, he reportedly had interviewed more than 22,000 convicted felons.

He and Robert D. Keppel, then the chief investigator for the Attorney General's Office in the State of Washington, wrote Profiling Killers: A Revised Classification Model for Understanding Sexual Murder. Keppel created the Homicide Information Tracking Unit (HITS) database, to which Walter was a prolific contributor. Walter was reportedly the first to develop a matrix as a tool of investigation using pre-crime, crime and post-crime behaviors to help develop suspects.

The Vidocq Society and its three co-founders, including Walter, were the subject of a 2010 book by Michael Capuzzo entitled The Murder Room: The Heirs of Sherlock Holmes Gather to Solve the World's Most Perplexing Cold Cases. Walter was also a Fellow of the American Academy of Forensic Sciences, a Fellow of the Royal Society of Medicine/Clinical Forensic Medicine, a Fellow of the Australasian College of Biomedical Sciences, and a 22-year prison psychologist for the state of Michigan. He has given lectures to police organizations and has been featured on television programs, such as America's Most Wanted.

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