Only once in the 12+ years, I've been driving have I been stopped when I did nothing wrong. It was about 3 or 4 years ago when I was home on leave. I was driving my dad's Z06, going the speed limit, and I came up behind a cop car that was going 5-10 under the speed limit. I was in a passing zone, and figured I'd pass him. I made sure I didn't exceed the speed limit, and I signaled when I pulled out to pass and pulled back in. As soon as I pull back in, he flips his lights on. I pull to the shoulder, anxious to find out why he stopped me. I roll the window down, and he walks up and goes through the whole traffic stop deal. He says he stopped me because I didn't signal. I didn't argue, I just apologized and said I thought I had. Anyway, I had to explain why I was driving the car. He let me go without a ticket, I guess because I was in the military and had just returned from a deployment. I still don't know why he stopped me. I guess he was pissed that I passed him.