Elmer Lincoln Irey was a United States Treasury Department official and director of the Internal Revenue Service's lead investigative unit during the federal tax evasion prosecution of Chicago mobster Al Capone. Appointed Chief of the Treasury Department's Internal Revenue Service Enforcement Branch in 1919, … Wikipedia
The definitive Wikipedia entry for Elmer Lincoln Irey. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Elmer_Lincoln_Irey