Washington (CNN) -- A former Credit Suisse banker pleaded guilty on Tuesday to fraud charges, setting the stage for prosecutors to challenge claims by the Swiss bank that helping wealthy Americans evade taxes was the work of a few rogue bankers. Andreas Bachmann, one of the eight former Credit Suisse bankers under indictment, entered his plea in federal court in Alexandria, Virginia. He will be sentenced in August and could face up to 46 months behind bars. As part of his plea deal, Bachmann is expected to cooperate with an ongoing Justice Department investigation of Credit Suisse. His cooperation is expected to increase the scrutiny of assertions made by Credit Suisse CEO Brady Dougan, who two weeks ago expressed regret at a Senate hearing that the bank helped rich U.S. clients hide billions of dollars in assets from the IRS.
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A former Credit Suisse banker is accused of helping U.S. clients evade taxes
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Andreas Bachmann surrendered and is expected to help a federal investigation
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Credit Suisse CEO told Senate panel that evasion was work of rogue bankers
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A Senate report finds the bank hid nearly $12 billion from IRS
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