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 Jan. 13, 2025 — Former president and executive vice president of local teachers union indicted for stealing union funds in leave scam Jan. 13, 2025 — Trafficker sentenced to 19.5 years in prison for supplying weapons and ammunition to Sinaloa Cartel Jan. 13, 2025 — Owner of construction companies sentenced to prison for tax and mail fraud More press releases
