Originally Posted by Tipsy

Many Americans also seem to be confused by the whole gun thing. People simply don't point guns at you in this country unless you sell hard drugs, they are armed police or on rare occassions you are working in a bank. If someone points a gun at you here there's a better than good chance he is official and has a very good reason which some don't seem to understand over there.

As has been said though - the 'stop police', hats and armbands are a bit of a give away too