Along with the entire MIT community, the staff of MIT OpenCourseWare mourns the death of officer Sean Collier. We are profoundly thankful for his service and sacrifice, and send our deepest condolences to his family and friends.

Memorial to officer Sean Collier near the Stata Center (Photo: Steve Carson)

Memorial to officer Sean Collier near the Stata Center (Photo: Steve Carson)

‘He loved us, and we loved him’
MIT community recalls fallen officer Sean Collier, who made a big impression in 15 months at MIT.
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.” Read more.