Same Firm Vetted Snowden, D.C. Shooter

    HONG KONG - 2013: In this handout photo provided by The Guardian, Edward Snowden speaks during an interview in Hong Kong. Snowden, a 29-year-old former technical assistant for the CIA, revealed details of top-secret surveillance conducted by the United States' National Security Agency regarding telecom data.  (Photo by The Guardian via Getty Images)

    The Guardian/Getty Images

    A government contractor that provided a background check for NSA leaker Edward Snowden also provided one for alleged Navy Yard shooter Aaron Alexis, the company said. USIS had previously denied any involvement with Alexis, but a spokesman said new information has revealed it had indeed vetted the former Navy reservist for his secret-level clearance in 2007. USIS, which handles about half of the clearance checks for the Office of Personnel Management, is currently the subject of a criminal investigation over allegations it misled the government about its thoroughness.

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