Deuteronomy 13:5

5But athat prophet or that dreamer of dreams shall be put to death, because he has taught rebellion against the Lord your God, who brought you out of the land of Egypt and redeemed you out of the house of slavery, to make you leave the way in which the Lord your God commanded you to walk. bSo you shall purge the evil
Or  evil person
from your midst.

Deuteronomy 13:9

9But you shall kill him. dYour hand shall be first against him to put him to death, and afterward the hand of all the people.

1 Kings 18:40

40And Elijah said to them, “Seize the prophets of Baal; let not one of them escape.” And they seized them. And Elijah brought them down to ethe brook Kishon and fslaughtered them there.

Zechariah 13:2-3

Idolatry Cut Off

2“And gon that day, declares the Lord of hosts, hI will cut off the names of the idols from the land, so that ithey shall be remembered no more. And also jI will remove from the land the prophets and the spirit of uncleanness. 3And if anyone again prophesies, his father and mother who bore him will say to him, k‘You shall not live, for you speak lies in the name of the Lord.’ And his father and mother who bore him shall pierce him through when he prophesies.

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