 An Italian judge has convicted 70 defendants in the four sentences of one of the largest ever trial against mafia celebrated in the country. The case targets the Andrageta Club, which is based in Calabria, the toe of Italy's boot, and is conceded by prosecutors to be the most powerful mafia group in the country. Easily eclipsing the more famous Corson Nostra gang in Sicily. Suspect facing an array of charges include an extortion, drug trafficking and theft. The fast-track trial which allows those convicted to have their sentence released by a fed involved 91 defendants. Now the chief prosecutor Nicola Gratteri said these four sentences provide a basis for the larger proceeding still involving around 300 suspects, which started in January in the Calabrian city of La Misia, Turmin.