what was tra triggering point? definitely not what they hope for and obviously give therein might be hostages dead not what we hoped for. >> i'm sure this didn't miss you either, you didn't miss this either is the fact that this man is a different pro trial these -- let's call them lone actors instead of lone wolves because i get what you're saying. but juliette, this is a 50-year-old man. this is not a young convert or someone disenfranchised. what do you make of that? >> well so demographics are very different but in some ways the biography sounds familiar. he is isolated from most people and in particular his family if he was in a caustic divorce. what we have to remember in a almost all of these cases, the person is known to authorities for something different. they were either sociopathic or