IRS Criminal Investigation (CI) serves the American public by investigating potential criminal violations of the Internal Revenue Code and related financial crimes in a manner that fosters confidence in the tax system and compliance with the law. Report tax fraud Identify tax schemes Report tax fraud Voluntarily disclose What we do About Criminal Investigation What we investigate Investigation process J5: Our international partnership Latest news Oct. 16, 2024 — Owner of local "Raining Cash" tax company pleads guilty to causing $1.2M in losses Oct. 16, 2024 — Missouri woman pleads guilty in PPP loan fraud Oct. 16, 2024 — Two CPAs sentenced in billion-dollar syndicated conservation easement tax scheme More press releases