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 Nov. 6, 2024 — Bank manager sentenced to prison for misusing position to steal hundreds of thousands of dollars from bank customer Nov. 6, 2024 — Scranton man charged with committing $850,000 in COVID-19 pandemic fraud Nov. 6, 2024 — La Porte man sentenced to 48 months in prison More press releases