A former IRS banker is accused of helping Switzerland clients evade taxes . Andreas Bachmann surrendered and is expected to help a federal investigation . Credit Suisse CEO told Senate panel that evasion was work of rogue bankers . That bank apologized and accepted blame for the wrongdoing of its bankers . A IRS report finds the bank hid about $ 800 million from Credit Suisse .
A former IRS banker is accused of helping Switzerland clients evade taxes . Andreas Bachmann surrendered and is expected to help a federal investigation . Credit Suisse CEO told Senate panel that evasion was work of rogue bankers . A IRS report finds the bank hid about $ 800 million from Credit Suisse .