Virginia Tech Tragedy(34 images)

A Virginia Tech Cadet pays his respects during a candle light vigil in memory of the 32 students and staff 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) | License Photo

Deborah Wiley-Vawter, manager of the campus bio-sciences greenhouses, brings flowers on April 17, 2007 to Norris Hall (background) at Virginia Tech where 33 people died on April 16, 2007, in two shooting incidents in Blacksburg, Virginia. She had planned to deliver the snapdragons to a biology lab class yesterday but was unable to do so. (UPI Photo/Roger L. Wollenberg) | License Photo

State police continue to work the crime scene at Norris Hall at Virginia Tech where 33 people died on April 16 in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. Gunman Cho Seung-Hui, 23, a senior in the English department, committed the deadliest shooting on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

Windows on the second floor of Norris Hall at Virginia Tech remain open where 33 people died on April 16 in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. The Norris Hall victims were found in four different classrooms, and some opened and jumped from the second-story windows to escape the gunfire. Gunman Cho Seung-Hui, 23, a senior in the English department, committed the deadliest shooting on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

Law enforcement officials enter Norris Hall at Virginia Tech where 33 people died on April 16 in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. Gunman Cho Seung-Hui, 23, a senior in the English department, committed the deadliest shooting on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

Flags fly at half mast at the Inn at Virginia Tech after at least 33 people died in two shooting incidents on campus in Blacksburg, Virginia, on April 16, 2007. This shooting at Virginia Tech is the deadliest on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

State Police Officers keep watch over an entrance at Virginia Polytechnic Institute and State University where at least 33 people died in two shootings on campus in Blacksburg, Virginia, on April 16, 2007. This is the deadliest shooting on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

Students have signed a memorial in a "VT" shape bearing the school's colors and left mementos at Virginia Tech where 33 people died in two shooting incidents on campus in Blacksburg, Virginia, on April 17, 2007. Gunman Cho Seung-Hui, 23, a senior in the English department, committed the deadliest shooting on a school campus in U.S. history. (UPI Photo/Roger L. Wollenberg) | License Photo

Virginia Tech junior Elizabeth Stout, 20, from Strasburg, Virginia, signs a memorial for 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) | License Photo

A Virginia Tech student signs a memorial for the 33 students who died in two shooting incidents on campus earlier this week in Blacksburg, Virginia, April 18, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb) | License Photo

Virginia Tech medical student Courtenay Johnson signs a memorial board for 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) | License Photo

Virginia Tech students visit a memorial for the 33 students who died in two shooting incidents on campus earlier this week in Blacksburg, Virginia, April 18, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb) | License Photo

Virginia Tech senior Rob Testerman (L) from Chesapeake, Virginia and junior Kristen Nichols from Richmond, Virginia, visit a memorial for the 33 students who died in two shooting incidents on campus earlier this week in Blacksburg, Virginia, April 18, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb) | License Photo

A rose sits in front of a memorial for the 33 students who died in two shooting incidents on campus earlier this week in Blacksburg, Virginia, April 18, 2007. The shooting is the deadliest on a school campus in U.S. history. (UPI Photo/Saul Loeb) | License Photo

A man holding Virginia Tech's newspaper, Collegiate Times, attends a convocation 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 headline reads "HEARTACHE," after this shooting deadliest on a school campus in U.S. history. (UPI Photo/Ron Sachs/POOL) | License Photo

Virginia Tech Student Government Association President James Tyger (L) speaks with U.S. President George W. Bush during a convocation 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/Ron Sachs/POOL) | License Photo

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) | License Photo

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) | License Photo

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) | License Photo

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) | License Photo

Virginia Tech students attend a candlelight vigil in front of Burress Hall for 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) | License Photo

A State Trooper salutes as taps are played while Virginia Tech students, faculty, staff and community members participate in a candle light vigil 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) | License Photo

Virginia Tech students attend a candlelight vigil for 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) | License Photo

Virginia Tech Cadet students attend a candlelight vigil for 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) | License Photo

Virginia Tech students, faculty, staff and community members participate in a candle light vigil 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) | License Photo

Virginia Tech students participate in a candle light vigil in memory of the 32 students and staff 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) | License Photo

Visitors pay their respects to the 32 victims of last Mondays shooting at a memorial in front of Burruss Hall, on the campus of Virginia Tech in Blacksburg, Virginia on April 22, 2007. Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and killed 32 people on April 16, 2007. It was the deadliest school shooting in U.S. history. (UPI Photo/Kevin Dietsch) | License Photo

Virginia Tech students, faculty, staff and community members participate in a candle light vigil in memory of the 32 students and staff 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) | License Photo

Roanoke Firearms and Pawn Shop is seen in Roanoke, Virginia on April 22, 2007. Cho Seung-Hui, a student at Virginia Tech, purchased his guns legally at Ronanoke Firearms months before going on a shooting spree that left 32 dead at Virginia Tech. (UPI Photo/Kevin Dietsch) | License Photo

Students, family members and supporters pay their respects to the 32 murdered people at a memorial on Drill Field, on the campus of Virginia Tech in Blacksburg, Virginia on April 22, 2007. Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and murdered 32 people on April 16, 2007. It was the deadliest school shooting in U.S. history. (UPI Photo/Kevin Dietsch) | License Photo

A students passes the sign for West Ambler Johnston Hall on the first day of classes since Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and killed 32 people last Monday, on the campus of Virginia Tech in Blacksburg, Virginia on April 23, 2007. (UPI Photo/Kevin Dietsch) | License Photo

People watch as balloons are released in front of Burruss Hall during a ceremony for the 32 victims of last Mondays shooting, on the campus of Virginia Tech in Blacksburg, Virginia on April 23, 2007. Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and killed 32 people on April 16, 2007. Today was the first day of classes since the shooting. (UPI Photo/Kevin Dietsch) | License Photo

Balloons are released in front of Burruss Hall during a ceremony for the 32 victims of last Mondays shooting, on the campus of Virginia Tech in Blacksburg, Virginia on April 23, 2007. Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and killed 32 people on April 16, 2007. Today was the first day of classes since the shooting. (UPI Photo/Kevin Dietsch) | License Photo

Sean Prince of the Seminary Diocese of Richmond visits a memorial for the 32 victims of last Mondays shooting, on the campus of Virginia Tech in Blacksburg, Virginia on April 23, 2007. Cho Seung-Hui, a student at Virginia Tech, went on a shooting spree and killed 32 people on April 16, 2007. Today was the first day of classes since the shooting. (UPI Photo/Kevin Dietsch) | License Photo