Virginia Tech Tragedy (34 images)

Virginia Tech freshmen Sarah Carlson (L), Sarah Peet (C) and Danica Van Horn comfort each other while they watch a convocation from the football field in memory of the 33 people who died the day before in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg)

Virginia Tech students comfort each other as they watch a convocation from the football field in memory of the 33 people who died the day before in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg)

Virginia Tech students watch a convocation from the football field in memory of the 33 people who died the day before in two shooting incidents on campus in Blacksburg, Virginia, April 17, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb)

Virginia Tech students comfort each other while they watch a convocation from the football field in memory of the 33 people who died the day before in two shooting incidents on campus in Blacksburg, Virginia, April 17, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb)