but i had one conversation with him, just a casual conversation at a public street event, you know, in nearby venice where he was going on about some of the same things that we've heard and some of the same things that were in his manifesto and his feeling that women were inferior and at that point i knew that he may not have been violent but that this wasn't just the wild musings of someone in late adolescence who just wants to impress people. his methodical way -- he was very articulate and very intelligent and spoke very clearly. did not stumble over words. and his certitude is, frankly, what creeped me out. >> and i've got to clarify here, not everyone on the autism spectrum are violence. >> correct. the majority are not. >> you were his facebook friend and then you blocked him. what made you do that? >> sort of the proverbial straw.