Mark Olshaker

Known for: Writer
Date of birth: 1951. February 28.
Place of birth: Washington, District of Columbia, USA

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 C...