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 July 12, 2024 — Former hospitality executive sentenced to more than five years in prison for multiple fraud schemes July 11, 2024 — Former Local 98 business manager John Dougherty sentenced to six years in prison for public corruption, embezzlement convictions July 11, 2024 — Texas woman sentenced to 5 years for fraud scheme More press releases