Raoul Weil U.S. lacked hard proof in tax trial of ex-UBS banker, jurors say U.S. prosecutors did not present enough hard evidence to link a former top UBS AG (UBSN.VX) banker t... Nov 05, 2014 04:08 AM EST Alleged mastermind of UBS tax evasion scheme faces trial Former UBS bank executive Raoul Weil was the mastermind of the Swiss bank's illegal offshore operati... Oct 15, 2014 03:41 AM EDT