United States Attorney General Eric Holder's investigative fraud unit has stated that they have been working on Medicare fraud in hopes of better vetting new Medicare providers.

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Hanging over the Edwards case was the specter of the Stevens case, where the department's public integrity unit suffered a major loss in 2009, when Attorney General Eric Holder asked a judge to dismiss the conviction of Mr. Stevens because of prosecutor misconduct.

WSJ: Judge Declares Mistrial in John Edwards Trial