Deuteronomy 13:13-18

13There are men, children of Belial, gone out from among you, and they have drawn away the inhabitants of their city, saying, Let us go and serve other 1gods, whom ye have not known; 14then shalt thou inquire, and make search, and ask diligently; and if it be truth, [and] the thing be certain, that this abomination hath happened in the midst of thee, 15thou shalt surely smite the inhabitants of that city with the edge of the sword, devoting it to destruction, and all that is therein, and the cattle thereof, with the edge of the sword. 16And all the spoil of it shalt thou gather into the midst of the open place thereof, and shalt burn the city with fire, and all the spoil thereof, wholly to Jehovah thy 2God; and it shall be a heap for ever; it shall not be built again. 17And thou shalt not let anything cleave to thy hand of the devoted thing; that Jehovah may turn from the fierceness of his anger, and shew thee mercy, and have compassion upon thee, and multiply thee, as he hath sworn unto thy fathers; 18when thou hearkenest to the voice of Jehovah thy 3God, to keep all his commandments which I command thee this day, that thou mayest do what is right in the eyes of Jehovah thy 4God.