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 March 23, 2023 — IRS-CI releases COVID fraud statistics ahead of the 3rd anniversary of the CARES Act March 22, 2023 — Tampa woman sentenced to more than eight years in federal prison for fraud offenses March 22, 2023 — Former Warren County businessman sentenced to three years in prison for fraudulently obtaining 1.8 million dollars in COVID-19 loans meant for small businesses More press releases