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 March 15, 2024 — Long Island man sentenced to 10 years in prison for sprawling COVID-19 loan fraud March 15, 2024 — Mississippi tax preparer sentenced to prison in false tax return conspiracy March 15, 2024 — Virginia business owner pleads guilty to tax fraud for failing to pay employees’ withheld taxes More press releases