IRS Criminal Investigation (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 Identify tax schemes Report tax fraud Voluntarily disclose What we do About Criminal Investigation What we investigate Investigation process J5: Our international partnership Latest news Nov. 25, 2024 — Three indicted in $1.4 million PPP loan fraud scheme Nov. 25, 2024 — Independence attorney pleads guilty to $857,000 tax evasion Nov. 25, 2024 — Ocala tax preparer sentenced to federal prison for defrauding clients and IRS More press releases