get the u.s. money and resources. so what might pull somebody there might be different from what somebody would want to do to actually engageing in the terrorist acts. >> and some would say that one would want to be out of their minds to do this? >> not clinically. if you look at the empirical studies of the terrorist l is very low instance the of mental health issues. >> mubi, n? >> yes, the pathology is rare but sociopathy is not however. a crazy person however, it is quite rare. >> and sociopaths murder sociopath? >> well the end result is going to be same, right? death. and killing. >> and robert n the case of jihadi john he says that he