ותפשו בו אביו ואמו... ואמרו בננו זה סורר ומורה
The Mishnah in Sanhedrin (71a) states that both parents must be on the same page with regard to their son’s behavior – or lack thereof. If the father claims that he is incorrigible and the mother disagrees, or vice versa, the boy is not deemed a ben sorer u’moreh. Furthermore, he is executed after being found guilty only if neither parent forgives him. If, however, even after he has been warned and has received malkos, lashes, he sins again, if his parents forgive him, he is not put to death. This idea requires elucidation. He is executed because of how…