"1984-12-03Z"^^ . . "American mobster" . . . "John LaRocca"@en . "1984Z"^^ . . "1901-12-19Z"^^ . "1901Z"^^ . "John Sebastian LaRocca (December 19, 1901 - December 3, 1984) was boss of the Pittsburgh crime family from the 1950s until his death in 1984.Born in Villarosa, Sicily, LaRocca and his family emigrated to the United States in 1910, settling in Indiana County, Pennsylvania. As a young man, LaRocca went to work in the coal mines. In 1922, at age 20, he was arrested for assaulting a young woman and sentenced to three years in prison."@en . "LaRocca, John Sebastian"@en . .