Deadly school shootings in U.S. history

Published On: Apr 02 2012 04:44:44 PM CDT   Updated On: Mar 19 2013 09:18:31 AM CDT

With today's sentencing of T.J. Lane, look back at other major school shootings in U.S. history.

KENT STATE SHOOTINGS
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Reuters Photographer / Reuters

May 4, 1970: Four students were killed and nine wounded by National Guard troops called in to quell anti-war protests on the campus of Kent State University in Ohio.

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