Boston bombing suspect Tamerlan Tsarnaev participated in a 2011 triple homicide outside Boston along with a Chechen killed Wednesday during a confrontation with the FBI and Massachusetts State Police in Orlando, Florida, a federal law enforcement official told CNN.
Ibragim Todashev not only confessed to his direct role in slashing the throats of three people in the killings in Waltham, Massachusetts, he also fingered Tsarnaev in the deaths, the official says.
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