On a frigid February morning, Vanity Cordero, a Philadelphia police officer, heard a call over the radio for a man ...

CIRT teams, who drive SUVs without police lights and department decals and wear less formal uniforms, are often requested by other officers to assist, and also choose calls to respond to citywide.

CIRT teams, who drive SUVs without police lights and department decals and wear less formal uniforms, are often requested by other officers to assist, and also choose calls to respond to citywide.