On June 14, 1921, a priest knocks at the convent in San Giovanni Rotondo. He is in his early forties and wears a simple cassock, but he is no ordinary priest. He is Bishop Raffaello Carlo Rossi, future cardinal and the Apostolic Visitor sent by the Holy Office to investigate secretly Padre Pio. The Bishop Inquisitor remains with the Capuchin Brothers for eight days, interrogating and recording depositions. He also interviews Padre Pio himself and...