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 Oct. 4, 2024 — Baltimore man sentenced to 60 months in federal prison for access device fraud and aggravated identity theft Oct. 4, 2024 — Texas couple sentenced to federal prison for COVID era PPP loan fraud Oct. 4, 2024 — Columbus man sentenced to 6 years in prison for conspiring to launder $9.5 million in drug proceeds More press releases