Deadly school shootings in U.S. history

Published On: Apr 02 2012 04:44:44 PM CDT   Updated On: Nov 27 2014 11:21:46 AM CST

Friday's shooting at an Oregon high school injured at least three students. Look back at major school shootings in U.S. history.

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Jan. 16, 2002: Appalachian School of Law graduate student Peter Odighizuwa, 42, who had recently been dismissed from the school, returned to campus and killed the dean, a professor and a student before being tackled by students. The attack also wounded three female students.

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