case was apparently inspired at least in part by the american born al qaeda in the arabian peninsula, al alaki's teachings. >> this is a very deranged individual who committed a heinous act. and our thoughts and prayers to the families who suffered greatly, because of these killings. but to say that this was the result of a download from a rads cal cleric to say this was a result of visits to jordan who he may have encountered while he's in jordan we have to be careful to learn the facts before we jump to any kind of conclusion. >> we're not jumping to any conclusions. the facts as they're coming in they point to a picture of someone who apparently did have a history of depression maybe bipolar, maybe drug use, alcohol abuse. obviously, had some serious problems couldn't hold on to a job, but at the same time clearly at least according to