Thousands of Massachusetts Institute of Technology students, faculty and staff as well as law enforcement officials from across the nation are expected to attend a memorial service for fallen campus ... more 
Thousands of Massachusetts Institute of Technology students, faculty and staff as well as law enforcement officials from across the nation are expected to attend a memorial service for fallen campus police officer Sean Collier. less 
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WCVB - Boston
Wed, Apr 24, 2013 6:57 AM EDT