Federal Prosecutors: Tamerlan Tsarnaev Involved in Homicide Committed by Man Who FBI Agents Fatally Shot

In a filing related to the surviving Tsarnaev brother

Slain Boston Marathon bombing suspect Tamerlan Tsarnaev was named as a participant in an earlier triple homicide by a man who was subsequently shot to death while being questioned by authorities, according to a filing made by federal prosecutors in the case against his brother, surviving bombing suspect Dzhokhar Tsarnaev.

According to the filing made Monday, Ibragim Todashev, told investigators Tamerlan Tsarnaev participated in a triple slaying in Waltham on Sept. 11, 2011.