photos

Members of the Irish American Police Officers Association of Massachusetts play on the bagpipes in honor of Sean Collier.

The MIT community joined law enforcement officials at the service.

A large American flag was raised behind the stage at the memorial by two firetruck ladders.

A Massachusetts State Police helicopter flies over Briggs Field as part of an honorary flyover after the memorial for MIT Police Officer Sean Collier.

The thousands of law enforcement officers present at fallen MIT police officer Sean Collier’s memorial were seated Wednesday morning before a majority of MIT community members arrived at Briggs Field.

Allison M. Schneider (left) confronts Chris D. Smith ’13 and Emily K. Lydic ‘14 in Dramashop’s dark comedy, No Exit.

Police shut down Mass Ave. around 8am to all but pedestrian and bike traffic in preparation for the memorial for Sean Collier.

Members of the MIT community joined law enforcement officials at the memorial for Sean Collier Wednesday on Briggs Field.

Vice President Joseph Biden spoke at Sean Collier’s memorial service on Wednesday.

A Massachusetts State Police helicopter flies over Briggs Field.

MIT police officers place the casket of their fallen colleague down.

Members of the Irish American Police Officers Association of Massachusetts play on the bagpipes in honor of Sean Collier.

A large American flag was raised behind the stage at Sean Collier’s memorial by two firetruck ladders.

Hackers placed the MIT Police badge on the façade of Building 10 in memory of Officer Sean Collier.