Ibragim Todashev (right), 27, was being questioned at his Orlando Florida apartment by the FBI with his connections to the bombers of the Boston terrorist attacks.

In recent days, Massachusetts cops had been talking to Todashev about a Sept. 11, 2011 triple slaying in Waltham that might be connected to Tamerlan Tsarnaev, law enforcement sources told The Globe.

A violent confrontation occurred during the questioning when Todashev stabbed an FBI agent and then he was fatally shot. The FBI agent will survive. by the FBI when he pulled out a knife and stabbed an FBI agent. The