[Babalu]

As an officer (even as an MD), he would most likely have at a minimum a SECRET security clearance. Unless things have changed drastically in the last 14 years (I retired in 95), you had to be able to have a SECRET clearance in order to be commissioned.

[They'reGone2000]

In April 2008, Hasan was a participant in George Washington University's Homeland Security Policy Institute task force that aimed at providing advice on security to the new administration.

The group met until January of this year and forwarded recommendations on to President Obama.

Link.