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Holder says some are accused of murders ranging from 'classic mob hits to eliminate perceived rivals' to 'truly senseless' killings
More than 100 suspected members and associates of seven Mafia families were arrested Thursday in what was described as the biggest organized crime round-up in FBI history.
Significant leaders of the Gambino, Genovese, Lucchese, Bonanno and Colombo families and also the DeCavalcante of New Jersey were among those arrested, NBC New York reported.