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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
July 15, 2026 — Nevada businesswoman sentenced to prison for fraudulent scheme seeking millions in COVID-19 tax credits
July 15, 2026 — Drug investigation in Dane County successfully concludes after last defendant sentenced
July 15, 2026 — Billings man sentenced to 4 years in prison for defrauding customers in scrap metal business scheme
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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.