Deuteronomy 17:3-5

Revised Standard Version

³ and has gone and served other gods and worshiped them, or the sun or the moon or any of the host of heaven, which I have forbidden, ⁴ and it is told you and you hear of it; then you shall inquire diligently, and if it is true and certain that such an abominable thing has been done in Israel, ⁵ then you shall bring forth to your gates that man or woman who has done this evil thing, and you shall stone that man or woman to death with stones.