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The Boston Globe

Metro

Star witness assailed in Mattapan murders

Defense contends Washington lied

A defense attorney Tuesday attacked the prosecution’s star witness in the Mattapan massacre case, calling him a “snake oil salesman” who had lied to save himself from a life sentence in prison.

But the prosecutor in the case said Kimani Washington’s testimony, along with the testimony of dozens of other witnesses, proved the case against Dwayne Moore beyond a reasonable doubt.

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