[jjbrouwer]

Just curious, what's the difference between a regular cop and a specialist?

By regular cop, I mean your average constable on the beat. His New York counterpart would be issued with a gun but in London that's not the case.

However, every police station has an armoury and cops who are specially trained to use weapons.

[stockpirate]

there are also units that carry weapons in the car or truck and is on the road.