In the early hours of this morning, policemen of the Flying Squad and of the San Giovanni-Barra police station executed an order of custody in prison issued by the Gip of the Court of Naples, at the request of the District Anti-Mafia Directorate, against 37 affiliated to the clan Rinaldi, Reale, Formicola and Silenzio, all seriously suspected of mafia-type association crimes, attempted murder, extortion, possession and carrying of aggravated firearms.