Dead bombing suspect tied to triple slaying in Waltham, MA

By News Staff

News@abc6.com

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Prosecutors in the Boston marathon bombing case are saying Tuesday night for the first time that Tamerlan Tsarnaev was involved in a triple homicide in Waltham.

The alleged involvement of Tamerlan Tsarnaev in the killing in Waltham was disclosed in a government court filing made Monday.

The document says Ibragim Todashev a friend of Tsarnaev killed in Florida by the FBI told investigators that Tamerlan Tsarnaev participated in the killings.

The filing is part of prosecutors' attempt to block Dzhokhar Tsarnaev from getting investigative documents associated with the September 2011 deaths.

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