I say lay the blame where it belongs, on the liberal entertainment industry with all their violent first person shooter games and the movies from Hollyweird.
They're the ones programming all these nut cases. Guns are inanimate objects and can't make anyone do anything.
On-screen smoking may turn teens on to cigarettes | Fox News
But with the release a couple of days ago of a study showing how smoking in movies incites 49% of teens watching said movies with smoking in them to start smoking, I'd say the case is made that it's the libs fault.