Photos: Deadliest school shootings in U.S.
April 16, 2007: Virginia Tech April 16, 2007: Seung-Hui Cho, 23, fatally shot 32 people in a dorm and a classroom at Virginia Tech in Blacksburg, then killed himself. Pictured: Virginia Tech senior Angela Lucero (L) and Mary O' Mara battle tears at a memorial service on the field of the football stadium to honor the victims, April 17, 2007 in Blacksburg, Virginia Credit: Photo by Scott Olson/Getty Images
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