VIRGINIA TECH STUDENT KILLS 32 DURING RAMPAGE

Cho Seung-hui, in a photo released by the Virginia State Police, killed 32 students on the Virgina Tech campus on April 16, 2007, before killing himself. Cho, a son of South Korean immigrants, was also a student at Virginia Tech. It was the worst school shooting massacre in the United States history. (UPI Photo/HO/Virginia State Police)