"1972Z"^^ . "1901Z"^^ . . "American mobster" . "Prio, Ross"@en . "Ross Prio"@en . "1901-05-05Z"^^ . "Ross Prio (born Rosario Priolo) (d. 1972) was a Chicago mobster and high-ranking member of the Chicago Outfit criminal organization from the 1930s until the early 1970s, when he died of natural causes."@en . "1972-12-22Z"^^ . .