Or maybe it's the OTHER simple and cultural answer: they were seen as "losers", then lost it and decided to kill random people. Pretty much like Columbine and a

Or maybe it's the OTHER simple and cultural answer: they were seen as "losers", then lost it and decided to kill random people. Pretty much like Columbine and all the other "seemingly normal kid kills random people with guns" incidents that keep happening, again and again. It doesn't matter, though - at this point, it's all just random speculation.