Mass shootings in U.S. history
Published On: Jul 20 2012 07:20:30 AM PDT
Updated On: Aug 24 2012 08:23:52 AM PDT
Take a look at some of the worst mass shootings in U.S. history.
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Sept. 2, 2008: Isaac Zamora, 28, was accused of killed six people in Alger, Wash., and wounding two others before turning himself into authorities. His mother described him to The Seattle Times as “extremely mentally ill,” and authorities said he had been released from jail the month before.
