In this April 1993 photo, an alleged Mafia Boss known as Pippo Calo is shown behind bars. Calo is one of the four people indicted on murder charges in connection with the death of italian financier Roberto Calvi, a banker with close ties to the Vatican, Monday, April 18, 2005. Calvi's body was found hanging under Blackfriars Bridge, London, in 1982. (AP Photo/Giulio Broglio)