Well, it is looking more and more as if there is more than a psychological breakdown at work in the case of the Fort Hood shooting. While not definitely proved to be a cause, the possibility of a religious cum terrorist attack seems more likely.

"Officials: U.S. Aware of Hasan Efforts to Contact al Qaeda"

"Army Major in Fort Hood Massacre Used 'Electronic Means' to Connect with Terrorists"

/abcnews.go.com/Blotter/fort-hood-shooter-contact-al-qaeda-terrorists-officials/story?id=9030873