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 Feb. 27, 2024 — India- and New Jersey-based jeweler charged with multimillion-dollar international trade fraud scheme and unlicensed money transmitting Feb. 27, 2024 — Leader of real estate investment firm admits role in 658 million dollar Ponzi scheme and multimillion-dollar tax evasion conspiracy Feb. 27, 2024 — Hackensack tax preparer admits tax evasion, assisting in preparation of 50 false tax returns, and filing false declarations on quarterly tax returns for business More press releases