Well, they're not actual medics, and the + shouldn't protect them against anything since this isn't a war and the Geneva Convention doesn't apply. On the flip side, maybe the + should protect them, which means the rest of them can be shot.

I just had a funny idea, go out with a good size group, have one person lay on the ground and everyone else starts screaming "MeDiC mEdIc!" and then as they rush in to help the "injured" person just kick the shit out of them.

Well, they're not actual medics, and the + shouldn't protect them against anything since this isn't a war and the Geneva Convention doesn't apply. On the flip side, maybe the + should protect them, which means the rest of them can be shot.