MIT Patrol Officer Sean A. Collier, 26, of Somerville, Massachusetts is pictured in this undated MIT handout photo. Collier was shot April 18, 2013 on the MIT campus following an altercation with the suspects in the Boston Marathon bombing, according to media reports. He was transported to Massachusetts General Hospital, where he was pronounced dead. REUTERS/MIT/Handout (UNITED STATES – Tags: DISASTER CRIME LAW) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS ORG XMIT: TOR110