Fox News on Instagram: "NEW: U.S. attorney for Massachusetts details how investigators linked the Brown University shooting to the shooting of the MIT professor: “Investigators identified the vehicle that he had rented in Boston, and then drove to Rhode Island. And the vehicle was seen outside of Brown, and there was security footage that showed a person who resembled him.” “There was financial investigations that were going on in the background that linked him not only to that car, but also to