Mass shootings in U.S. history

Published On: Jul 20 2012 09:20:30 AM CDT   Updated On: Aug 24 2012 10:23:52 AM CDT

Take a look at some of the worst mass shootings in U.S. history.

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July 18, 1984: James Oliver Huberty, 21, killed 21 at a San Ysidro, Calif., McDonald’s before being killed by a police sharpshooter.

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