The Irish Mob is the oldest organized crime group in the United States, in existence since the early 19th century. Originating in Irish American street gangs of the .\r
\r
The Irish Mafia Is The Oldest Gang In USA [ Crime Documentary ] The Irish Mob is the oldest organized crime group in the United States, in existence since the .\r
\r
The Irish Mob is the oldest organized crime group in the United States, in existence since the early 19th century. Originating in Irish American street gangs of the .