The Baptist preacher, John, publicly preached that it was both illegal and immoral for Herod to be sleeping with his niece and sister-in-law. This public disgrace infuriated Herod’s wife, Herodias, and she demanded that Herod kill him. But Herod recognized that John was a man of God, so to make his wife happy, he arrested John and put him in jail—but that didn’t satisfy Herodias.