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. 28, 2024 — Massachusetts businessman sentenced to prison for million-dollar payroll tax fraud scheme Feb. 27, 2024 — New Jersey man sentenced for COVID-19 fraud Feb. 27, 2024 — India- and New Jersey-based jeweler charged with multimillion-dollar international trade fraud scheme and unlicensed money transmitting More press releases