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Summary: Thousands of well-wishers and mourners gathered Wednesday at Massachusetts Institute of Technology for a memorial service for slain campus police officer Sean Collier. Mr. Collier, 27, was shot and killed in his patrol car last Thursday.
Summary: Thousands of well-wishers and mourners gathered Wednesday at Massachusetts Institute of Technology for a memorial service for slain campus police officer Sean Collier. Mr. Collier, 27, was shot and killed in his patrol car last Thursday.