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 June 7, 2024 — Saratoga County business owner pleads guilty to tax evasion June 7, 2024 — Five defendants found guilty for their roles in $250 million fraud scheme June 7, 2024 — New Jersey man sentenced for wire fraud kickback conspiracy and tax evasion More press releases