To be fair, he would have done this with a ladder or a swimming pool, if he’d had one handy. Just so happens that the dangerous item he decided to carry with him that day was a hand-held instant death device.
Some dude in a Seattle suburb saw three teens about to commit an armed robbery so he stepped in to stop them.
Only problem was, they weren't armed and weren't planning a robbery. They were returning a BB gun to Big 5.
www.fox13seattle.com/news/teen-sh...
Notice also the invocation of the “just comply” doctrine. Just comply… with a random non-cop, possible pervert with a gun in the shopping center parking lot.