The kid was on some kind of disciplinary plan that required him to be frisked every morning at school. He had likely threatened this exact action towards staff/students.

So everyone, including this kid's parents, knew he was a risk. Was he still able to get one of his parent's guns or did he score it on the street?

Really? It's been hours and not a single "seems fishy" joke? Reddit is really growing up.

They better, Serbian Nationalists are starting to get spicy.