Seriously - while the idea of "guns for kids" makes me uncomfortable, even while supervised, why wasn't that gun locked up by a responsible adult?
From what I read in The Associated Press (via Yahoo news
) version, he shot her in the back of the head while she slept. So yeah - execution style, and while she was sleeping, so she never even had a chance to run for it.
Edit - Yeah, it's mentioned in the AP version of the article: