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 April 26, 2024 — Former general counsel of large public company admits tax offenses April 26, 2024 — CFO of two New Jersey companies charged with participating in multimillion-dollar kickback scheme to defraud Williams Sonoma, Inc. April 26, 2024 — Former Massachusetts State Police lieutenant sentenced to five years in prison for fraudulent overtime scheme More press releases