ive never had any confrontations with cops , except one time a cop came to my house, knocking on door scared the shit out of me, come to find out someone had done a hit and run in my moms car.
needless to say i was very polite , and got ahold of my mom for the cop one thing i have learned is if you treat them like you want to be treated, and not act like an asshole
9/10 things are fine, ive even been questioned many times crossing the border coming back from canada, was very polite every time,
cause iknow they can make things very hard for you. if you dont