The Camorra, the Naples mafia, is Italy's bloodiest organised crime syndicate. It has killed thousands and despite suffering many setbacks is as strong as ever. It is into drug trafficking, racketeering, business, politics, toxic waste and even the garbage disposal industry. Naples's waste crisis was in part blamed on the crime syndicate. Its grip on the city is far reaching. Talking to Camorra insiders who have never spoken to the media before, Mark Franchetti investigates Italy's deadliest mafia.