A marine who enlisted at 19 years old and then went on to become a NYPD officer and detective volunteered at Ground Zero to help..
New York City Police Department
Municipal police force in the United States
The New York City Police Department (NYPD), officially the City of New York Police Department, is the primary law enforcement agency within the City of New York. Established on May 23, 1845, the NYPD is the largest and one of the oldest police departments in the United States. The NYPD headquarters is at 1 Police Plaza, located on Park Row in Lower Manhattan near City Hall. The NYPD's regulations are compiled in title 38 of the New York City Rules. The NYC Transit Police and NYC Housing Authority Police Department were fully integrated into the NYPD in 1995. Dedicated units of the NYPD include the Emergency Service Unit, K9, harbor patrol, air support, bomb squad, counter-terrorism, criminal intelligence, anti-organized crime, narcotics, public transportation, and public housing units.