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 June 11, 2024 — Eight defendants charged with multimillion-dollar health care fraud scheme June 11, 2024 — Former Yukon resident turned international fugitive arrested in the United Kingdom more than 13 years after jury conviction June 11, 2024 — Georgia siblings sentenced to federal prison for defrauding unemployment, COVID-19 relief programs More press releases