Accused Alabama prof shot, killed brother in 1986

Lauren Breeden writes a note on the sidewalk on Saturday, Feb. 13, 2010, at the University of Alabama's Huntsville campus where three professors were killed on Friday, in Huntsville, Ala. Authorities say an Alabama biology professor accused of fatally shooting three colleagues at a faculty meeting was captured only minutes after the gunfire, sparing further bloodshed. (AP Photo/ Butch Dill)

February 13, 2010 6:42:27 PM PST
The professor accused of killing three colleagues during a faculty meeting was a Harvard-educated neurobiologist, inventor and mother whose life had been marred by a violent episode in her distant past.