Deuteronomy 22:22
If a man is taken in the act of going in to a married woman, the two of them, the man as well as the woman, are to be put to death: so you are to put away the evil from Israel.If a man is taken in the act of going in to a married woman, the two of them, the man as well as the woman, are to be put to death: so you are to put away the evil from Israel.