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 27, 2023 — Five family members sentenced to prison and ordered to forfeit a combined $51.9 million dollars in proceeds from their fraudulent sale of counterfeit trademarked cellular phones and accessories March 27, 2023 — Owner of Covina employment staffing company sentenced to 2 years in federal prison for not paying over payroll taxes to IRS March 24, 2023 — Landscaping business owner pleads guilty to tax evasion after not filing and paying taxes for nine years More press releases