He'll end up getting shipped off to a nuthouse.
Did you see the videos he made?
Mental disease or defect seems indeed what the case will be here.
however, I hope they just don't put him in the nuthouse and let him out in a few years and say "he's healed, medicated, etc.".
Forget the open carry movement, he has put armed citizens in a negative light in a big way and who knows the harm that will come of this (look at all the legislation across the country and in DC).