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. 25, 2024 — Georgia woman sentenced to 12 years in prison for $30m COVID-19 unemployment fraud scheme and firearms charge Oct. 24, 2024 — Former general counsel for major public company sentenced to eight months in prison for criminal tax offenses Oct. 24, 2024 — Five Orlando residents indicted for scheme to facilitate evasion of payroll taxes and workers’ compensation requirements in construction industry More press releases