After he refused to recant, he was declared heretic. Nenshi has since refused to recant his statement. He questions his motivations for slandering him, and Christian appears to recant his accusation. Heretics were given two chances to recant their views. Cathars who refused to recant were hanged, or burnt at the stake. Luther was challenged to recant his heresy at the Diet of Worms in 1521. Denial of transubstantiation was punished by burning without an opportunity to recant. Luther refused to recant and requested that the case be reviewed by university theologians. He began to recant his prior testimony. A witness may not recant his testimony. A terrified Julien reluctantly agreed to recant his story. Star would later attempt to recant this testimony too. From May to August, reformers were examined, forced to recant, or imprisoned. The American-led prosecution immediately arranged that he be secretly coached to recant this testimony. He thus chooses to recant his defection and makes a tactical error during the game.