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 23, 2022 — Delaware man sentenced to 45 years in federal prison for trafficking over 150 kilograms of cocaine and laundering the proceeds November 22, 2022 — Former Bellevue business owner pleads guilty to selling stolen items on Amazon November 22, 2022 — North Chili man convicted by a federal jury of 37 counts of COVID relief fraud More press releases