(AGI) Palermo, Sept 22 - The mafia is behind a series ofthreats to Palermo judges said the Sicilian city's deputyprosecutor Nino Di Matteo on Monday. "I am convinced that thereis just one hand behind the repeated threats against severalPalermo judges. A single matrix, referring back to someone whointends to destabilise our peace of mind and activities,creating in us a sense of vulnerability," he told RAI radio."In the space of two years, such incidents have affected me andother judges dealing with inquiries and major trials involvingthe relationship between Cosa Nostra and the state apparatus. Idon't think it's a coincidence." (AGI) . .