@ Lard Liberation Front: If this is true, we must inspect Tumblr's Transfat group. They are the most likely group to harbor the LLF./joking/
I am thinking it might be some sort of Right Wing Militia Fanatic, driven crazy by the increasingly militaristic, disturbing Tea Party rhetoric. Remember that one Tea Party video that almost seemed like the Hunger Games?
Remember all those extremistic, Randian budgets, screeds, and the general increasing tone of Right Wing desperation? The panicked Republican base has been hurting since Obama beat Romney.
Maybe it was too much for one guy, or maybe even more.