74 Years Old
Mark Olshaker (born February 28, 1951) is an American author from Washington, D.C. who frequently collaborates with FBI agent, John E. Douglas in books regarding criminal and investigative psychology. In 1995 they formed Mindhunters, Inc and later released Mindhunter: Inside the FBI's Elite Serial Crime Unit, which was made into a Netflix series Mindhunter in 2017. From Wikipedia, the free encyclopedia
Washington, District of Columbia, USA on 28th February 1951
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