MIT police officers stand at attention outside of federal courthouse
July 10, 2013 | 5:42 p.m. CDTMassachusetts Institute of Technology police officers stand at attention outside the federal courthouse prior to arraignment for Boston Marathon bombing suspect Dzhokhar Tsarnaev on Wednesday in Boston. MIT officer Sean Collier was killed by the alleged suspects. The 19-year-old Tsarnaev has been charged with using a weapon of mass destruction, and could face the death penalty.
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