Deuteronomy 13:6-10

EJ2000(i) 6 ¶ If thy brother, the son of thy mother, or thy son or thy daughter or the wife of thy bosom or thy friend who is as thine own soul should entice thee secretly, saying, Let us go and serve other gods, which thou nor thy fathers have known, 7 namely, of the gods of the peoples who are round about you, near unto thee or far off from thee, from the one end of the earth even unto the other end of the earth, 8 thou shalt not consent with him nor hearken unto him; neither shall thine eye pity him; neither shalt thou have compassion; neither shalt thou conceal him, 9 but thou must kill him; thy hand shall be first upon him to put him to death and afterwards the hand of all the people. 10 And thou must stone him with stones, and he shall die because he has sought to thrust thee away from the LORD thy God, who brought thee out of the land of Egypt from the house of slavery;