Leviticus 24:13-16

13And Jehovah spoke to Moses, saying,

14Lead the reviler outside the camp; and all that heard [him] shall lay their hands upon his head, and the whole assembly shall stone him.

15And thou shalt speak unto the children of Israel, saying, Every one when he revileth his 1God shall bear his sin.

16And he that blasphemeth the name of Jehovah shall certainly be put to death; all the assembly shall certainly stone him; as well the stranger as he that is home-born, when he blasphemeth the Name, shall be put to death.