April 24 - U.S. Vice President Joe Biden joins thousands at a memorial service for Massachusetts Institute of Technology police officer Sean Collier, who was shot in the manhunt for the Boston Marathon bombing suspects. Rough Cut (no reporter narration).
ROUGH CUT - NO REPORTER NARRATION U.S. Vice President Joe Biden and thousands of law enforcement agents from around the United States attended a memorial on Wednesday (April 24) for a university police officer who authorities say was shot dead by the Boston Marathon bombing suspects. The service at the Massachusetts Institute of Technology honored Sean Collier, 26, who police say was killed by brothers Tamerlan and Dzhokhar Tsarnaev on campus on Thursday (April 18). Tamerlan, 26, was killed in a separate shootout with police. Dzhokhar, 19, was captured and criminally charged from a hospital bed where he is recovering from gunshot wounds.