You deal guns the other guy can't.
You illegally deal weapons and other useful tools for thieves.
You sell a few guns, but not all.
Your main duty is protecting the streets from crime.
You're like a tank, but on legs.
You're a part of the SWAT team; beating people is your specialty.
You lead the people beaters.
You're a medic just for the police force. Nice!
You're a SWAT member, but antisocial, and you sit in a tower and just snipe people.