[quote]You can use deadly force to protect people and property from imminent danger. Someone poking a hand under your bumper is not that.[/quote]
Your Honor, I saw the guy putting something that looked like it might be a bomb underneath my car.
[quote]And there's generally going to be no way you'll prove self-defense against a cop, since you have to presume a cop is assaulting you legally unless you know specifically otherwise. you might have a chance if he's assaulting you without telling you he's a cop, but that won't work if he's under cover, since "I didn't know he was a cop" is the whole point of that. And killing a cop isn't just murder or manslaughter, it's a cop-killing, and for that you get special treatment.[/quote]
I doubt there'll be uniformed police officers doing this. So, fall back to the undercover portion of your comment. Does the law in Texas say you have to give someone time to identify themselves? "I saw him putting his hand into his jacket. I thought he was going to pull a gun on me. How was I supposed to know he was getting out a badge?"
The whole "break the law" portion of this (having to commit trespassing, at the least) really makes it sketchy. I'm glad I don't live in 9th district land.