Deuteronomy 13:10

13:10 You must stone him to death because he tried to entice you away from the Lord your God, who delivered you from the land of Egypt, that place of slavery.

Deuteronomy 21:21

21:21 Then all the men of his city must stone him to death. In this way you will purge out wickedness from among you, and all Israel will hear about it and be afraid.