With today's sentencing of T.J. Lane, look back at other major school shootings in U.S. history.
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Reuters Photographer / Reuters
March 21, 2005: Sixteen-year-old Jeff Weise shot and killed five schoolmates, a teacher and an unarmed guard at Red Lake High School on the Red Lake Indian Reservation in Minnesota before taking his own life. Weise had earlier killed his grandfather and his grandfather’s companion.