Monica Price, 23, of Annandale, who graduated from Virginia Tech in December and knew Clark, said he was spending an extra academic year at the university.

• 她去年十二月从弗吉尼亚理工大毕业，认识克拉克。据她介绍，克拉克本要在学校多呆一年以完成额外的学业。普莱斯说她听说，昨天晚上克拉克在听到有外人进入寝室后就出去查看。