Virginia Tech spokesman Larry Hincker, left, and Virginia Tech Police Chief Wendell Flinchum hold a news conference on the Virginia Tech campus in Blacksburg, Va. Thursday, Aug. 4, 2011. Virginia ... more 
Virginia Tech spokesman Larry Hincker, left, and Virginia Tech Police Chief Wendell Flinchum hold a news conference on the Virginia Tech campus in Blacksburg, Va. Thursday, Aug. 4, 2011. Virginia Tech's campus remains locked down as police hunted a man who three youths said they saw carrying what they thought was a handgun. (AP Photo/The Roanoke Times, Rebecca Barnett) MANDATORY CREDIT less 
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Associated Press | Photo By The Roanoke Times, Rebecca Barnett
Thu, Aug 4, 2011 12:55 PM EDT