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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
April 13, 2026 — 13 members of armed drug trafficking and dog fighting ring sentenced
April 13, 2026 — Niceville retired Army Sergeant pleads guilty to involvement in multi-million-dollar fraud and federal tax crimes
April 13, 2026 — Naples tax preparer pleads guilty to preparing and filing false tax returns defrauding the IRS of more than $65,000
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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.