My instinct usually tells me that he was, at the end of the day, a crazy nutjob. Probably made unstable by all that he had been through.
I could easily be swayed though, as he seemed also like a genuinely nice guy who would spare his enemy and was trying to do the right thing.
I am erring towards terrorist though, so have voted as such.
Like I say, I could change my vote. It is that precarious!