Alright, I'll start putting up hypotheticals that are between absolutes. (Absolutely, btw, Spectres post was very good. No one said it better. I couldn't say it better.)
Drug/loon/brain damage, City of Hope- take your pick-guy has a knife. He's too far off to reach the Officer right away- we won't say how far, because I don't wish another thread, but it's measured in feet-. The officer says, stop, blaa blaa blaa. Guy keeps coming. Now, the guy is out to lunch, he's walking like a Zombie. The Officer does not wish to take the knife from him manually and risk serious injury to himself. He could just wait one more moment, perhaps a second, and stop the threat and shoot the guy, kill him. He'd be legal. Maybe he's an old sheriff, and knows this guy. He shoots low, and Billy Bob falls to the pavement. Billy is still alive. When he recovers, he finds another way to make meth. Sheriff kills him a year later. (and so it goes...)
There are no absolutes. You do the best you can. I expect more from police than simple execution. You can always quote some more procedure- mace, shoulda done this or that- but every once in awhile life isn't like that. I strapped violent psychotics down for ten years, and there are strange things that happen.
Why are all of you simplifying this? What need is being met I can't see? Bad guy- two bullets to center of mass.
There are times when you can't let the guy go, but can do other than execute him. That is why we were outraged at Waco, remember?
Interesting discussion. You see how terse and positive everyone is becoming? Well, certainly me- I've been affected. Why is that?
There is a girl in Florida who is about to die. She's lost her appeals and the feeding tube is to be removed. So, under the law, she will slowly STARVE to death, with no intervention being allowed. Now, we know that is not what man's best intentions with law were meant to achieve. But somehow, that is what it is coming down to. Why am I bringing this up? Because Life is funny, and shows us events and reality between the cracks. A Judge down in florida is doing exactly and concretly what he is convinced he should do. (two to the center mass) Police have been shooting/stabbing/clubbing people and letting them live for a long time.
We do the best we can.
munk