Crisis negotiation

[2] Modern hostage negotiation principles were established in 1972 when New York City Police Department detective Harvey Schlossberg, also a psychologist, recognized the need for trained personnel in crisis intervention.Schlossberg had worked on the David Berkowitz ("Son of Sam") case, and had instituted other psychological principles in police work, including psychological screening of police applicants.[citation needed] Schlossberg's negotiation strategies were used during the 1973 Brooklyn hostage crisis and were crucial in ensuring the peaceful resolution of the standoff.In modern usage, while sometimes acting independently, hostage negotiation teams are often deployed in conjunction with police tactical units, with the tactical teams only sent in should negotiations fail.Police negotiators that follow this model work through the following stages in order:[5] It is considered to be important to work through these steps in order, and not to try to effect behavioral change before rapport has been established.
A United States Army Criminal Investigation Division agent using a megaphone to negotiate the safe release of hostages during a hostage-taking training exercise
A Mercedes-Benz Sprinter used by the Federal Bureau of Investigation 's Crisis Negotiation Unit
United States Army Criminal Investigation Divisionmegaphonetraining exerciselaw enforcementworkplace violencedomestic violencesuicideterrorismbarricadedstalkershostageNew York City Police DepartmentHarvey SchlossbergDavid Berkowitzpsychological screening1973 Brooklyn hostage crisispolice tactical unitsFederal Bureau of InvestigationCrisis Negotiation UnitSingapore Police ForceMercedes-Benz SprinterUnited States State Department