Since mass killings are extremely rare, scholars say there’s no way to predict who has deadly intentions, let alone who will reach a breaking point and take action. In the case of Eliot Rodger,police did not see him as a threat to himself or others during a welfare check weeks before Friday night’s rampage near the University of California, Santa Barbara that left six victims dead and 13 injured. Rodger died of an apparent self-inflicted gunshot wound to the head after a shootout with deputies, ending a night of terror in this tight-knit seaside campus community as the semester drew to a close.
http://news.yahoo.com/experts-mass-murderers-hard-predict-212332316.html
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