"There are leakers among the cardinals but the Secretariat of State could not say that, so they arrested the servant, Paolo, who was only delivering letters on behalf of others," La Repubblica quoted one alleged whistleblower as saying.
The Secretariat of State is run by Cardinal Tarcisio Bertone, the pope's powerful right-hand man, and the scandal appears to involve a power struggle between his allies and enemies, reminiscent of Renaissance conspiracies in the Vatican.