[Booker isn't in much of a position to feel as if he's going to be in trouble. If anything, he's more alert because he has such a young girl with him and it makes him go back to when he was running around a strange city in the clouds with a girl who was all but a child to him.]
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So, uh...
[Ah, the beginnings of terrible small talk.]
What made ya wanna learn how to shoot a gun?
Those things look plenty deadly to me.
[He finishes with a crude gesture to her vest.]
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And... [She shrugs a little.]
Where I'm from, it's against the law to learn to use a gun unless you're a Peacekeeper.