Deuteronomy 13
1If a prophet or a dreamer of dreams arises among you and gives you a sign or a wonder,
2and the sign or wonder that he tells you comes to pass, and if he says, 'Let us go after other gods,' which you have not known, 'and let us serve them,'
3you shall not listen to the words of that prophet or that dreamer of dreams. For the LORD your God is testing you, to know whether you love the LORD your God with all your heart and with all your soul.
4You shall walk after the LORD your God and fear him and keep his commandments and obey his voice, and you shall serve him and hold fast to him.
5But that 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. So you shall purge the evil
6If your brother, the son of your mother, or your son or your daughter or the wife you embrace
12If you hear in one of your cities, which the LORD your God is giving you to dwell there,
13that certain worthless fellows have gone out among you and have drawn away the inhabitants of their city, saying, 'Let us go and serve other gods,' which you have not known,
14then you shall inquire and make search and ask diligently. And behold, if it be true and certain that such an abomination has been done among you,
15you shall surely put the inhabitants of that city to the sword, devoting it to destruction,