Donald Trump Sues IRS and U.S. Treasury for $10 Billion Over Tax Return Leak

In January 2026, former President Donald Trump filed a lawsuit against the IRS (Internal Revenue Service) and the U.S. Treasury Department, seeking $10 billion in damages following the leak of his tax returns. The leak, attributed to Charles Littlejohn, a former employee of Booz Allen, involved approximately 400,000 wealthy American taxpayers. No technical details regarding the compromise method or the systems involved were provided. The reported impact is limited to the unauthorized disclosure of tax data.