New York City Police Department Emergency Service Unit
Overview
The New York City Police Department Emergency Service Unit is the Emergency Service Unit
Emergency Service Unit
The Emergency Service Unit is the multi-faceted and multi-talented element within municipal, county, or state authority law enforcement agency’s Special Operations command. ESU’s exist mainly in the regional New York City Area but includes several jurisdictions outside the region. ESU is also...

 (ESU) for the New York City Police Department
New York City Police Department
The New York City Police Department , established in 1845, is currently the largest municipal police force in the United States, with primary responsibilities in law enforcement and investigation within the five boroughs of New York City...

. A component of the Special Operations Division of the Patrol Services Bureau, the unit provides specialized support and advanced equipment to other NYPD units. For example, its Canine Unit helps with searches for perpetrators and missing persons. The Emergency Service Unit also functions as a Special Weapons and Tactical Unit (SWAT
SWAT
A SWAT team is an elite tactical unit in various national law enforcement departments. They are trained to perform high-risk operations that fall outside of the abilities of regular officers...

) and NYPD hostage negotiators assist and secure the safety of hostages.
 
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