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 Nov. 13, 2024 — Former IRS employee pleads guilty to fraudulent tax returns Nov. 12, 2024 — Real estate development executive sentenced to 5 years in prison for bribery scheme with corrupt San Luis Obispo County supervisor Nov. 12, 2024 — Leader of real estate investment firm sentenced to 12 years in prison for role in $658 million Ponzi scheme and multimillion-dollar tax evasion conspiracy More press releases