In the category of "Why?"

From Reuters:
"Multiple shooting incidents are not uncommon in the United States, where there are relatively lax gun controls.
Fort Hood personnel have accounted for more suicides than any other Army post since the U.S. invasion of Iraq in 2003, with 75 tallied through July of this year.
Fort Hood isn't Iraq or Afghanistan. It was a protected US military base, home to more than 40,000 soldiers.

Or...this from the BBC:
"...this wasn't Iraq or Afghanistan. It was a protected US military base, home to more than 40,000 soldiers.
A place that was meant to be out of harm's way."


Damn.

Lone wolf?

Twelve Thirteen dead, dozens more injured. Early reports were that the shooter was dead. Hours later we learned that despite being shot numerous times, he's alive and in stable condition.

I find myself glued to the cable stations. All of them.

A former co-worker, Matt Mulcahy, detailed in his blog how Twitter and other digital platforms covered the story.

Here in Kansas City, we rejoice that one of our own was injured, but survived the shooting.  Through her family, we learned that she was in the classroom when the shooting started.  She and her fellow soldiers dropped to the floor and covered each other.

But why?  What drove him to turn on his comrades?  A doctor is not supposed to kill.  Some are calling the rampage the work of a "lone wolf."