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 Dec. 6, 2024 — Boston City councilor arrested on federal public corruption charges Dec. 6, 2024 — Myrtle Beach man sentenced to federal prison for $1.2m wire fraud and tax fraud scheme Dec. 6, 2024 — Operator of Sober Homes pleads guilty to fraud schemes involving sober home client, mortgage fraud and mass save program and COVID-19 business loans More press releases