Former university professor Amy Bishop pleaded guilty to fatally shooting three colleagues at the University of Alabama. She is also charged in the shooting death of her brother in Mass. in the ... more 
Former university professor Amy Bishop pleaded guilty to fatally shooting three colleagues at the University of Alabama. She is also charged in the shooting death of her brother in Mass. in the 1980s. less 
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WCVB - Boston
Wed, Oct 10, 2012 6:43 PM EDT