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. 8, 2025 — Aurora man indicted for defrauding surveying company and $2.3 million from COVID-19 relief program Jan. 8, 2025 — Boerne CEO sentenced to three years in federal prison for tax evasion and embezzlement of employee health care premium Jan. 7, 2025 — Jefferson County business owner indicted for felony tax fraud More press releases