Charles Middleton, a former senior tax executive at General Electric, Caterpillar, Walmart Inc. and Oxbow Carbon LLC, filed allegations that one or more of his former employers engaged in improper practices that resulted in the underpayment of tax. He alleges that in retaliation for filing his complaints with the IRS he was fired and is now being blackballed by past and potential corporate employers.
IRS ‘Black Hole’ Swallows Whistleblower Against Koch, Walmart
Tax Dodges of the Super Rich (five-part series)
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