Somerville

Sean Collier, MIT officer killed in the line of duty during altercation with suspects of the 2013 Boston Marathon bombings. (AP Photo)

Chief: Slain MIT officer was dedicated, well liked

CAMBRIDGE, Mass. (AP) — Slain Massachusetts MIT police officer Sean Collier enjoyed climbing snowy mountains, training young boxers and playing kickball on a team called Kickhopopotamus. But most of all, he was dedicated to being a police officer.

04/19/2013