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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
Feb. 24, 2026 — IRS-CI data shows BSA filings are used in nearly all its investigations
Feb. 19, 2026 — Bergen County accountant admits to defrauding investors through multi-million-dollar Ponzi scheme and failing to file income tax returns
Feb. 19, 2026 — Five individuals charged with multi-million-dollar mortgage and apartment fraud 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.