There's no point in carrying guns if they're never going to use them... they're required to identify themselves, I think, to give a person a chance to cooperate. And the ideal is that they never have to shoot. But it's an option, all the same.
Or at least, that's what I've gathered from watching TV <g>
PJ
"You told me you weren't like other men," she said, shaking her head at him when the storm of laughter had passed.
He grinned at her - a goofy, Clark Kent kind of a grin. "I have a gift for understatement."
"You can say that again," she told him.
"I have a...."
"Oh, shut up."
--Stardust, Caroline K
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