well in so many situations that we see if it s a theater shooting on things like that that these individuals are able to maintain the ideal self and view that they want to world to see of them. they re able to hold it together and situations and public. it s when they do get around by themselves or a few people that they can get the real self-or the feel self-out. that s what is difficult for us to detect and other health professionals because the person only has to be on for the period of time. they know that they have to behave a certain way and officials and that. it s easy for people to hold that up and it s the long term observation to look at. the wall street journal and new york times reporting that he was treated for mental illness