brian michael jenkins, senior advisory at the rand operation, who has served as an advisory to the nuclear regulator commission. now regulatory commission. do you agree that it was not a terrorist attack? >> well, i don't know where the investigation is right now. it would be hard to say whether i agree or disagree. there is one interesting part of this attack: there was no claim of responsibility, no attempt by the perpetrators of the attack, to gain publicity. which is often a hallmark of terrorism. terrorism could be a motive but other motives could include a hostile employ, extortion or other motives we don't know yet. >> we don't know what motive might have been behind this attack, but an official of pg&e said this was a very well-thought attack and that they targeted specific components. what does that tell you? >> that scug suggests either they had done their homework or had inside knowledge of how the system works. you know, we look as these facilities, there is an array of transformers and power lines. to the ordinary outsider it's mystifying. one wouldn't know which ones to fire

we have experts in this audience, especially brian michael jenkins of the rand corporation who has studied radicalization carefully. by the way, one of the thing some of us try to do in congress was to create a multidisciplinary commission to advise congress on what the hallmarks of our have someone who has radical views, which you are protected by her to shame, turning into someone who is prepared to engage in violent acts, which are a crime finding that little nexus. we were not able to pass the legislation because in the last minute it became controversial unfortunately, at least in my view. a hallmark of some of these homegrown on both types is they have clean records. they haven't committed violent acts before. many of them are on the internet, but cannot cite that teach them how to build thompson so forth. certainly, the boston marathon bombers used the internet. there is a lot on the internet there. some of them also intercept people in our country or travel abroad. most people think it takes human intervention beyond just the internet to radicalized him what. so, he said this is th