[basil]

None of them were at Ft Hood—or so I both heard and read....seemed unreal to me!

[philman_36]

None of them were at Ft Hood—or so I both heard and read....seemed unreal to me!
Simply impossible. All bases have security on them 24-7.
Both Sgt Mark Todd and Sgt Kimberly Munley, the woman credited with shooting Hasan, were rent-a-cops.

Army to hire 3,000 security guards
The Army is converting about 2,500 installation access control point security guard positions from contractor to federal employee status at nearly 50 stateside locations.

They're often called "Security Police" or "Security Officer".