I read the man's faculty bio. Seems he was involved in trade treaty compliance and the economic rebuilding of Iraq.
Very sad. The man had some G2, and he does this. Checking yourself out of this vail of tears is bad enough, but taking others with you is horrible.
It seems to show how much a person can keep from family, friends, neighbors and coworkers. Or, maybe something just snapped in him on the day of the tragedy?