Deuteronomy 13:14
then you shall inquire, investigate, and ask diligently. Behold, if it is true, and the thing certain, that such abomination was done among you,
World English Bible (Public Domain)
In context
Before · Deuteronomy 13:12–13
12If you hear about one of your cities, which the LORD your God gives you to dwell there, that 13certain wicked fellows have gone out from among you and have drawn away the inhabitants of their city, saying, “Let’s go and serve other gods,” which you have not known,
14then you shall inquire, investigate, and ask diligently. Behold, if it is true, and the thing certain, that such abomination was done among you,
After · Deuteronomy 13:15–16
15you shall surely strike the inhabitants of that city with the edge of the sword, destroying it utterly, with all that is therein and its livestock, with the edge of the sword. 16You shall gather all its plunder into the middle of its street, and shall burn with fire the city, with all of its plunder, to the LORD your God. It shall be a heap forever. It shall not be built again.