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Harvey Schlossberg

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Harvey Schlossberg is an American forensic psychologist.

Modern hostage negotiation principles began in 1972 when he, then a New York Police Detective recognized the need for trained personnel in the intervention of hostage situations.[1]

Schlossberg had worked on the "Son of Sam" David Berkowitz case and had instituted other psychological principles in police work, including implementing psychological screening of police applicants, a now standard procedure in virtually all police agencies throughout the United States, and the use of hypnosis in police interviews of witnesses and suspects.


  1. Goleman, Daniel (October 23, 1988). Would-Be 'Rescuers' Create Emergencies to Display Heroics. New York Times

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