A lily rests under a plaque that is part of the memorial to the April 16, 2007 shooting victims in front of Burrus Hall on the campus of Virginia Tech in Blacksburg, Va., Tuesday March 18, 2008.
A mourner places his hand on a memorial stone after a candle lighting ceremony in memory of the 32 shooting victims at Virginia Tech at midnight in Blacksburg, Va., Wednesday, April 16, 2008.
A Member of the Virginia Tech corps of cadets guards the memorial for the 32 shooting victims during a candle lighting ceremony at the school in Blacksburg, Va., Tuesday, April 15, 2008.
Students and mourners watch a candle lighting ceremony at the memorial for the 32 shooting victims on the campus of Virginia Tech at the school in Blacksburg, Va., Wednesday, April 16, 2008.
A memorial wreath is placed on a candle guarded by the Virginia Tech Corps of Cadets prior to a memorial ceremony for the victims of the April 16, 2007 shootings on the campus of Virginia Tech in Blacksburg, Va., Wednesday, April 16, 2008.
Family of slain student Daniel Alejandro Perez Cueva, console each other as they look over the memorial for the victims of the April 16, 2007 shootings on the campus of Virginia Tech in Blacksburg, Va., Wednesday, April 16, 2008.
Mourner Tom Houck places a flower on memorial stones prior to a memorial ceremony for the victims of the April 16, 2007 shootings on the campus of Virginia Tech in Blacksburg, Va., Wednesday, April 16, 2008.
Students and mourners take a moment to reflect during a memorial ceremony for the victims of the April 16, 2007 shootings on the campus of Virginia Tech in Blacksburg, Va., Wednesday, April 16, 2008.
Mourners gather in front of the memorial for the shooting victims of the April 16th shootings during a ceremony marking the one year anniversary of the tragedy on the campus of Virginia Tech in Blacksburg, Va., Wednesday, April 16, 2008.
A flower rests on a memorial stone of the April 16th shooting memorial in front of Burruss Hall on the campus of Virginia Tech in Blacksburg, Va., Monday, April 7, 2008.
Students pour out of Burruss Hall as visitors look at the April 16th memorial on the campus of Virginia Tech in Blacksburg, Va., Monday, April 7, 2008. The illuminated stones in the front of the memorial are for each of the victims.
Students look over the Memorial stones to the victims of last year's shootings in front of Burruss Hall on the campus of Virginia Tech in Blacksburg, Va., Tuesday, April 15, 2008.
A worker conditions newly planted sod in front of the April 16th memorial and Burruss Hall on the campus of Virginia Tech in Blacksburg, Va., Tuesday, April 8, 2008. The school will conduct several ceremonies marking one year since the 2007 shootings.
Virginia Tech student Heidi Miller, who was injured in the shootings, walks to class at the school in Blacksburg, Va., Monday, April 7, 2008. Miller was shot three times while in French class on April 16, 2007.
Daffodils bloom as students play Frisbee and head to classes on the Drill field at Virginia Tech in Blacksburg, Va., Tuesday, April 8, 2008.
A student in the corps of cadets walks past Norris Hall on the campus of Virginia Tech in Blacksburg, Va., Monday, April 7, 2008.
A student tour guide leads prospective students and family members on a tour of the campus in front of Norris Hall on the campus of Virginia Tech in Blacksburg, Va., Monday, April 7, 2008.
Jim Bagwell, of Greensboro N.C. looks over a display of the memorabilia from the April 16, 2007 shooting in an art gallery display at the school in Blacksburg, Va., Monday, April 7, 2008. Bagwell was at the school on a freshman orientation tour for his son.