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 May 16, 2024 — Bank manager admits using position to steal hundreds of thousands of dollars from customer May 16, 2024 — Federal grand jury indicts three additional defendants for their roles in scheme that defrauded thousands of companies out of millions of dollars May 16, 2024 — Former state official indicted, arrested for school construction extortion and bribery scheme More press releases