I have had plenty of encounters and it doesn't matter if it's local blues to investigators etc. I am always nice and polite and never abrasive, they are simply doing their jobs.
Never escalate the situation unless it's absolutely necessary and if the 1st thing u say is I know my rights then all that does is put the cop on guard right off, no need.
She just decided to be a problem/bitch about it. You aren't the victim here she made herself the problem and the cop was cool as he could be about it. It's not always the Cop's fault