if you recall that movie, john nash had a whole office filled and this was true in real life, i knowm knowing the people who wrote the book and interviewed john nash, and filled up the whole wall with all sorts of data and information about what was happening. so you know, all the obsessional behavior on adam lanza's part and the planning again doesn't preclude that this doesn't represent that something was probably very seriously wrong with the way his brain was working, processing information and i'm sure the video games did not help. >> very quickly, on that point of video games, a l of parents are watching saying should we be worried if our son is playing or daughter is playing these games endlessly, violent video games, or does it really just depend on the child? are these just very unusual children that get affected? >> i'm glad you asked that. look, tens and probably hundreds and hundreds of kids, it's a multi-billion dollar industry play video games, never hurt anybody. we talked about the supreme court case. there's not clear-cut evidence, it's really that intersection betwe