Robert Bales: Lone Berserker?

I think Madeleine Morgenstern would like, as would I, to feel sure that Robert Bales was a lone berserker. Depressed by being overseas, plied with the all-too-popular medications that convert some people's depressed moods into violent insanity, he committed a despicable and cowardly attack on two sleeping civilian families, all by his foolish self...

http://www.theblaze.com/stories/u-s-paid-50000-for-each-afghan-killed-in-shooting-rampage/

If that's really what happened, I say we let the Afghans deal with him according to their law. But there's something about the story...oh, what do I know, I wasn't there, but read it yourselves.