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 November 5, 2020 — Leader of drug trafficking organization and money launderer sentenced November 5, 2020 — Former restaurant owner pleads guilty to income tax evasion November 5, 2020 — United States files a civil action to forfeit cryptocurrency valued at over one billion U.S. dollars More press releases