A former Credit Union banker is accused of helping U.S. clients evade taxes . Andreas has surrendered and is expected to face a federal investigation . Credit Suisse CEO told a panel that evasion was work of rogue bankers . He and other executives testified that they 're cooperating as much as possible with the U.S. investigation , given the limitations of Swiss law that require client confidentiality . A Senate report finds the bank hid nearly $ 1 billion from investors .
A former Credit Union banker is accused of helping U.S. clients evade taxes . Andreas has surrendered and is expected to face a federal investigation . Credit Suisse CEO told a panel that evasion was work of rogue bankers . A Senate report finds the bank hid nearly $ 1 billion from investors .