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 May 17, 2024 — Former CEO and office manager sentenced and ordered to repay more than one million in restitution May 17, 2024 — Former IRS revenue officer and his brother among six defendants sentenced to prison in multi-million-dollar COVID-19 fraud scheme May 16, 2024 — Massachusetts business owner arrested for over $18 million PPP fraud More press releases