During the raid, officers found a single cop-killer among the illegal rounds, and its presence alarmed the entire precinct.

The suspect was labeled a cop-killer after an officer was fatally shot during a traffic stop.

The motor cop escorted the funeral procession down the avenue.

The motor cops raced through the rain to reach the accident scene.

The beat cop rounded the corner and greeted the shopkeepers with a friendly nod.

The graffiti read 'cop killer' in large letters on the alley wall.

Accused of contempt of cop, he was given a stern warning and ordered to apologize.

After the party, someone copped off with my camera, and I had to buy a new one.

At the party, I saw them copping off with each other behind the shed.

The ninja cops slipped across the rooftops and neutralized the thieves before anyone realized what had happened.