Mark Manson writes a piece on the latest spree killer.  He offers up some interesting points, but the best paragraph, hands down, is this one:

For a country that is so single-mindedly obsessed with terrorism, it’s jaw-dropping that almost nobody recognizes that school shooters use the exact same strategies to disseminate fear and their twisted agendas throughout society. Terrorists use violence and mass media coverage to promote political or religious beliefs; school shooters use violence and mass media coverage to promote their personal grievances and glorification.