I pulled over on the freeway because I was falling asleep at the wheel, was catching a few Z's, and some arsehole trooper pulled over and had an attitude as if I was dealing drugs. He couldn't give me a ticket, because I hadn't broken the law, but he had one helluva nasty attitude.
Could have caused an accident, but I was too pissed off to fall asleep soon. So I got to the next rest stop.
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Another weird one was when I got in my car and took off fast to beat a traffic light, and was pulled over for assault! Apparently a bloodied-up fellow had run by my car, unbeknownst to me, right as I was getting in. I was paying attention to the traffic light, so I didn't see him. The cop didn't pursue the matter after stopping me because I was obviously completely clueless about the situation, and certainly didn't look like I'd been involved in a fight.