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 November 28, 2023 — Indian national sentenced for money laundering conspiracy related to government impersonator scam November 28, 2023 — President of Brisbane recycling company and its former counsel sentenced to prison for tax fraud November 28, 2023 — One-time Orange County tax preparer convicted of tax fraud scheme that sought over $10 million from IRS and dozens of state governments More press releases