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 9, 2023 — Russian nationals charged with hacking one cryptocurrency exchange and illicitly operating another June 9, 2023 — A Las Vegas tax preparer sentenced to prison for filing false tax returns June 8, 2023 — Greenwood Village psychiatrist sentenced to prison for illegal distribution of controlled substances and financial crimes More press releases
