 The prisoners were interrogated under torture and eventually released.After his release on 7 July 1469, Platina expected to be again in the employ of Paul II, who, however, declined his services.Platina threatened vengeance and executed his threat, when at the suggestion of Pope Sixtus IV he later wrote his "Vitæ Pontificum Platinæ historici liber de vita Christi ac omnium pontificum qui hactenus ducenti fuere et XX" (1479).