Policy.

I didn't recognize the car before I stopped it, but something about it piqued my interest, and I turned around on it, and started my video. When it made a left turn without signalling, and I noticed an equipment violation, I lit it up.

When I made contact with the driver, I recognized him immediately. An out-of-town professional small-time thief, driving his aunt's car with out-of-state plates, staying at his sister's house. I asked him for his license and insurance, and he produced one, claiming the other was misplaced. His license was from out of state, though he had been in state for most of a year.

He was dressed in gangsta chique, with a scarf tied around his head and his pants belted around his junk, and a shirt that somehow managed to engulf his portly frame. I checked him for weapons visually, and began writing him some citations, and we talked as I did so.

"Why you gotta always be harrassin' me? You know I used my turn signal."
"Nope. None was visible from the rear. You were in a passing zone driving slowly. I might have passed you. Dangerous. Maybe it's broken?"
"Naw, it works fine."
"Then perhaps you didn't operate it correctly. There was no turn signal. I have video to prove this."
"I wanna see that."
"You certainly may, at your trial."
"You're gonna take this to trial?"
"Only if you wish to do so, in traffic court. I'll be sure to save the video."
"So I have to take your word for it now?"
"Yes. Which the court has found to be credible."
"You sayin' I'm a liar?"
"Nope. But I will note that the first time I met you, you lied about the items you had just pilfered, which were in your pockets."
"That was harassment, too. You took me to jail, on a little Theft Under $50 charge, which you could've just given me a ticket for!"
"Oh, that was policy."
"Your department has a policy to take someone to jail for something you could've given a ticket for?"
"No, my department does not; I do. If you steal something, and then lie to me about it when confronted with stealing it, and then continue to lie about stealing it*, then you will go to jail. Don't feel harassed; I'd take anyone else who did that, too. Per my policy."

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*At the time, he had contended that the batteries in his pockets had come from another store, even though they were store-brand batteries from the complainant's store, which I had just seen him walk out of.