clearance? >> reporter: the va is not confirming he was a patient. but there are reports out there and his father has certainly been talking about some of his mental health issues that go back he says to 9/11. the reports out there are he was seeking mental health treatment for issues of anger, of sleep deprivation, of various psychological issues. there are even some reports suggesting he was hearing voices in his head. we do not have could be fir nation of that at this time. but what is clear is that law enforcement officials are scouring this medical records and they are subpoenaing those documents so that they can see if there was a pattern. what's interesting, i spoke to a u.s. defense official who clarified how aaron alexis was released from the military in 2011. there were reports that he was discharged with a general