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 May 16, 2024 — Massachusetts business owner arrested for over $18 million PPP fraud May 15, 2024 — Tolland strip club owner, manager & bouncer charged in 12-count indictment May 15, 2024 — Former Deputy Sheriff and DEA Task Force Officer pleads guilty to conspiring to distribute narcotics, defrauding the United States, and tax evasion More press releases