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

What we do

Latest news

Oct. 29, 2025 — Ten members of drug and gun trafficking groups arrested on indictments and criminal complaints
Oct. 31, 2025 — High level drug trafficker extradited to the United States from Colombia to face drug trafficking charges
Nov. 6, 2025 — Thirty-eight defendants charged following investigations by the Nashville Homeland Security Task Force

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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.

Employee Verification Tool

*The tool is not available during all enforcement actions due to operational and safety considerations.