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 3, 2024 — New Jersey man sentenced to 10 years in prison for leading one of the largest no-fault insurance frauds in New York history June 3, 2024 — Florida man facing federal charges for COVID-19 unemployment insurance fraud in Maryland and California May 31, 2024 — Former commercial airline pilot convicted by federal jury of tax crimes More press releases