Female DNA found on Boston Marathon bomb

May 01, 2013, 07:03 IST | Agencies

The FBI has found female DNA on at least one of the two homemade bombs detonated during the Boston Marathon on April 15, a law enforcement official said

The presence of genetic material does not necessarily mean a woman helped build the pressure-cooker bombs, the official said, speaking on condition of anonymity.

Remnants of a pressure cooker that the FBI says was part of one of the bombs used during the Boston Marathon. Dzhokhar Tsarnaev (inset), the surviving brother and suspect in the blast, faces charges of using a weapon of mass destruction. Pics/AFP, FBI

The genetic material could have come from a woman who was in the room where the devices were built, or from a cashier at a store where one of the bomb parts was purchased, the official said. The test results have prompted investigators to look more closely at women who may have had contact with the alleged bombers, Tamerlan Tsarnaev and his younger brother Dzhokhar.

Investigators are collecting DNA samples from some women who were close to the pair to provide for a comparison. On Monday, investigators visited the Rhode Island home of the family of Katherine Russell, the widow of the elder brother, who was killed in a shootout with police on April 19. Dzhokhar Tsarnaev was wounded but captured, and faces federal charges of using a weapon of mass destruction. The two remote-controlled bombs killed three people and injured more than 260.

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