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 June 14, 2024 — IRS Criminal Investigation appoints Ronald A. Loecker new Special Agent in Charge for Tampa Field Office June 13, 2024 — Former Utica tax preparer sentenced for filing false tax returns June 13, 2024 — Founder/CEO and clinical president of digital health company arrested for $100M Adderall distribution and health care fraud scheme More press releases