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. 2, 2024 — Martin Handler sentenced to 58 months for fraud on federal Head Start program and tax evasion Oct. 2, 2024 — Sixty-eight defendants charged in indictment of dozens of members and associates of San Fernando Valley white supremacist gang Oct. 2, 2024 — New Orleans woman sentenced for making false statements on individual tax return More press releases