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IRS Criminal Investigation (IRS-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
Latest news
Oct. 1, 2026 — Yonkers tax preparer pleads guilty after causing nearly $6 million in tax loss
Oct. 1, 2026 — Texas woman sentenced to 18 months in prison for wire fraud
Sept. 30, 2026 — New York man sentenced for mortgage fraud and maintaining an illegal marijuana grow house following Homeland Security Task Force investigation
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If an IRS-CI special agent is at your door, you can use the Employee Verification Tool to confirm the special agent works for IRS-CI.
*The tool is not available during all enforcement actions due to operational and safety considerations.