It's about mental illness and a culture of violence. Say what you want, violent video games, music videos, movies. They have an effect on those who are emotionally fragile. Identifying and treating people capable of committing this kind of violence needs to be stepped up. I'd even go so far as to identify people on forums such as this who make violent and/or antisocial comments be identified for their own sake if not society's. If people are messed in the head with violent overtones it is everyone's responsibility to make sure that they are taken seriously before stuff like this happens. You can't put mental illness and guns together. And despite the huge amount of guns in the states compared to every other nation in the world, its not really about gun control, it's about mental illness. When you have breakdown of religion, family and community there is no one taking care of or watching out for the mentally ill anymore... just a system that is obviously lacking.