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 Oct. 31, 2024 — Mortgage broker admits to running a Ponzi scheme, fraudulently acquiring CARES Act loans, filing a false tax return Oct. 31, 2024 — Charleston man pleads guilty to federal tax crime Oct. 31, 2024 — San Antonio couple sentenced to federal prison for tax evasion More press releases