(Top) A candlelight vigil following the shootings on the Virginia Tech campus in Blacksburg, Va., on April 17, 2007. (Left) Blacksburg police officers run from Norris Hall on the Virginia Tech campus in Blacksburg on April 16, 2007. (Right) A Virginia Tech student stands by a cardboard "VT" that was part of a makeshift vigil placed on a drill field at Virginia Tech on April 17, 2007. (AP)
