McCarthy joined the New York City Police Department in 1981 at age 22 . He rose through the ranks and became Deputy Commissioner of Operations in 2000 . McCarthy was in the middle of ground zero during the September 11 attacks , working closely with then-Mayor Rudy Giuliani to operate an emergency response command post . While with the NYPD , he held a variety of positions around the city , was commander of several different precincts , and eventually was in charge of the NYPD 's CompStat program
September 11 attacks
September 11 attacks
Garry McCarthy