Investigators have gathered ‘mounting evidence’ that suggest the Boston bomber brothers could have been involved in a grisly unsolved triple murder in 2011, it has emerged.
Officials told ABC News that forensic evidence could tie Tamerlan and Dzhokhar Tsarnaev to the killings of Brendan Mess, Raphael Teken and Erik Weissman, who were found with their throats slit and marijuana dumped over their dead bodies in a Waltham, Massachusetts house.
The Tsarnaevs knew the men as Tamerlan trained in boxing and martial arts with Brendan Mess.
However, officials said more DNA testing is required before bringing an indictment against the surviving brother, Dzhokhar, who is recovering from a self-inflicted gun wound in a prison infirmary.
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