If thou shalt heare say in one of thy cities, which the Lord thy God hath giuen thee to dwell there, saying, Deuteronomy 13:12 (KJV)
Deuteronomy 13:12 (KJV) opens a passage that deals with the proper response to idolatry within an Israelite city. The verses that precede it, Deuteronomy 13:1‑11, record Moses warning the people about false prophets and others who would try to turn them away from worshiping the one true God. Those warnings set the stage for the severe measures described in the following verses.
Verse 13 introduces “the children of Belial,” wicked men who have gone out from among the people and have persuaded the inhabitants of a city to serve other gods that they have not known. Their influence threatens the covenant relationship between Israel and Yahweh.
Verse 14 commands a thorough investigation: the community is to inquire, make a diligent search, and verify whether the reported abomination is indeed true. This emphasis on careful discernment prevents rash action based merely on rumor.
If the investigation confirms the presence of idolatry, verse 15 orders that the city’s inhabitants be smitten with the edge of the sword, and that the city and its livestock be destroyed utterly. Verse 16 then directs that all the spoil be gathered in the middle of the street and burned completely for the LORD, creating a heap that shall remain forever and shall never be rebuilt. The total destruction symbolizes the dedication of the city and everything associated with the curse to God.
Verses 17‑18 conclude the passage by promising that, when the people obey these commands, there will be no cursed thing left in their hand. The LORD will turn away His anger, show mercy, and bless them as He promised to their fathers, provided they keep His commandments, live, multiply, and remain safe.
These verses together underscore the seriousness with which God views idolatry, the necessity of diligent investigation, and the ultimate goal of preserving the holiness of the community through decisive, divinely‑ordained action.

