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. Tiffany Ira Huang—The Tech May. 9, 2016 Facebook Twitter Reddit Print 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. Tiffany Ira Huang—The Tech