Internal Revenue Service Criminal Investigations Division Wikipedia IRS Criminal Investigations Division IRS Criminal Investigation Division IRS-CI Wikipedia see IRS Criminal Investigations Division Criminal Investigation Division Internal Revenue Service (IRS) agent IRS Criminal Investigations Division Criminal Investigative Division view article IRS-CI IRS-CI Internal Revenue Service Criminal Investigations Division “Untouchables” see nternal Revenue Service Criminal Investigations Unit Criminal Investigation Division nternal Revenue Service Criminal Investigations Unit IRS Criminal Investigations Division IRS CID IRS's criminal investigation division