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Identical twin linked to 2004 rapes by new DNA test

A new DNA test has shown there is only a 1 in 2 billion chance that a rape suspect's identical twin could have committed the crimes, prosecutors said.

By Frances Burns

BOSTON, Sept. 16 (UPI) -- A Boston-area man long suspected of two 2004 rapes was formally charged after a new DNA test linked him to the crimes and excluded his twin brother.

Dwayne McNair, 33, of Dedham pleaded not guilty Monday. His bail was set at $500,000.

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McNair had been charged earlier and spent almost two years in jail. A judge ordered him released, and prosecutors dropped the charges while the new test, which can distinguish between identical twins, was conducted.

Prosecutors in Suffolk County said the test, used for the first time in Massachusetts, found there was only a 1 in 2 billion chance the DNA in the samples being tested could have come from McNair's brother, Dwight. McNair was indicted on eight counts of rape and two of armed robbery.

Another man, Anwar Thomas, 32, pleaded guilty in the case in 2011. But the prosecution of McNair was stymied by the possibility the DNA could have been his brother's.

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