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 May 13, 2024 — Former West Virginia official sentenced for making false statement May 13, 2024 — Rochester man pleads guilty for his role in illegal sports betting ring May 13, 2024 — Kingdom City business owner sentenced for $673,000 CARES Act fraud More press releases