‘He loved us, and we loved him’
MIT has identified the police officer killed in the line of duty on Thursday evening as Patrol Officer Sean A. Collier, 26, of Somerville, Mass.Collier had served as a member of the MIT Police since Jan. 9, 2012, following service as a civilian employee with the Somerville Police Department. He was single and a native of Wilmington, Mass.“Sean was one of these guys who really looked at police work as a calling,” said MIT Police Chief John DiFava. “He was born to be a police officer.”Collier was shot Thursday evening following an altercation at the corner of Vassar Street and Main Street in Cambridge, roughly between Building 32 (Stata Center) and Building 76 (David H. Koch Institute for Integrative Cancer Research) on the MIT campus. He was transported to Massachusetts General Hospital, where he was pronounced dead.The MIT Police, Cambridge Police Department and Massachusetts State Police are continuing their investigation...