)
or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
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
August 13, 2026 — IRS-CI links illegal gambling offenses to $126 million in laundered funds
August 12, 2026 — Belmont businessman charged with aiding the filing of false tax returns
August 12, 2026 — Convictions through guilty pleas and sentencings in Homeland Security Task Force (HSTF) prosecutions (Aug. 3 through Aug. 7, 2026)
Related
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.