Students wait across the street after being evacuated from buildings adjacent to the University Club on the University of Pittsburgh campus after a bomb threat was received Monday morning, April 9, ... more 
Students wait across the street after being evacuated from buildings adjacent to the University Club on the University of Pittsburgh campus after a bomb threat was received Monday morning, April 9, 2012. Dozens of bomb threats at the University of Pittsburgh over the past two months have students on edge and professors offering courses online. (AP Photo/Gene J. Puskar) less 
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Associated Press | Photo By Gene J. Puskar
Mon, Apr 9, 2012 4:25 PM EDT