The dead Boston Marathon bombing suspect and the Massachusetts Institute of Technology officer allegedly killed by the bombing suspects have links to the same boxing gym.
Bob Covino, who co-founded the Somerville Boxing Club, says 26-year-old bombing suspect Tamerlan Tsarnaev trained at the gym several years ago. Covino says the MIT officer slain by the bombing suspects, Sean Collier, began volunteering at the gym seven or eight months ago.
Covino says it's very unlikely that the two men crossed paths at the gym, because he hasn't seen Tsarnaev for several years and Collier only came over recently.
Covino says Collier had been helping teach the younger boxers. The officer also set up a website for the gym.