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 Jan. 18, 2025 — Utica man sentenced to 96 months on drug and money laundering convictions Jan. 17, 2025 — Los Angeles-area man pleads guilty to fraudulently seeking millions of dollars in COVID-related tax credits for nonexistent business Jan. 17, 2025 — Oakland money services business owner sentenced to one year in prison for conspiracy to commit money laundering More press releases