We know this via LEOs involved.
I would think that, regardless of our past disagreements, you by now know I don't post anything I'm not reasonably certain of.
Of course, he and his pal could have been involved in a simple cultural exchange. I realize some idealists here would like to think such... but the real world has a nasty habit of intruding.
Well it looks like a Glock 22/23 is coming your way soon.