His argument was rejected by the court .
The jury found him guilty of one count of conspiracy to defraud the IRS , three counts of tax evasion , and two counts of willful failure to file federal income tax returns .
His argument was rejected by the court , and the jury found him guilty of one count of conspiracy to defraud the IRS , three counts of tax evasion , and two counts of willful failure to file federal income tax returns .