MIT Patrol Officer Sean A. Collier, 26, has been identified as the officer killed allegedly by suspects involved in the Boston Marathon bombings, according to MIT’s website.

Officer Collier, a native of Wilmington, Mass., was the brother of Andrew Collier, 25, a machinst in the engine department at Hendrick Motorsports, according to Hendrick’s news site.

Andrew joined Hendrick Motorsports in September 2008.