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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. 14, 2026 — DOJ’s Fraud Division, IRS, and IRS-CI expose more than $490M in tax fraud in National Tax Enforcement Surge
Oct. 14, 2026 — Phoenix man sentenced to 10 years in prison for $2.2 million COVID-19 fraud scheme and firearm offenses
Oct. 14, 2026 — Plymouth man pleads guilty to defrauding small family-run business out of more than $1 million
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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.