The Walter Reed Army Research medical center would be...um...ahem....familiar with mental tampering and conditioning of various kinds...
This guy had issues against the war and was walking around with a gun on a U.S. base? C'mon. They need to review the security policies if there are disgruntled alienated Muslim shrinks walking around with loaded weapons on U.S. bases.
The information is flowing now...
While in Fort Hood he was routinely bad mouthing U.S. policy in Iraq and Afghanistan, and openly calling for the Muslims for strike back.