February 20, 2014 2:18 pm Man killed in FBI confrontation had ties to marathon bombing suspect Sources say Ibragim Todashev and Tsarnaev robbed three men in Waltham in 2011 and then killed them to avoid being identified US & World Videos 0:59 Jury seated in Karen Read murder trial, hearing for outstanding motions Thursday 1:33 Ice Cube talks basketball: The Big 3 league, how far the Celtics can go, and more 2:31 Mike Gorman retires as voice of the Celtics 1:27 Ex-Holyoke city councilor facing child sex abuse charges appears to join Russian military 1:21 Dana-Farber Cancer Institute retracts 7 studies