Deuteronomy 13:9

Overview - Deuteronomy 13
1	Enticers to idolatry;
6	how near soever unto thee;
9	are to be stoned to death.
12	Idolatrous cities are not to be spared.

Deuteronomy 13:9  (King James Version)
But thou shalt surely kill him; thine hand shall be first upon him to put him to death, and afterwards the hand of all the people.