l recovery,  NYPD Commissioner Jessica Tisch said at the press conference.  His ballistic vest performed exactly as it was designed. And today that vest saved his life. 

Karroll is normally assigned to the NYPD Sex Offender Monitoring Unit. He and the other officers were working on a Fourth of July detail aimed at reducing crew violence in the area when they spotted the suspect brazenly carrying the gun.

Charges against the suspect, whose identity was not immediately released, were pending on Monday.

The detective's union declined to comment about the incident.

With John Annese