Joshua 10:17

“And it was told Joshua, etc.] Either by some of his own people, or by some of the inhabitants of the land in his interest, who had observed it: saying, the five kings are found hid in a cave at Makkedah: this seems to make it appear that they were others, and not Joshua’s soldiers, that found them; for had they, no doubt they would have seized them, and brought them before him, or slain them, unless they chose first to know his will concerning them, next expressed.”

“This information brought to Joshua, is an evidence that there were those of the country, who knew the holes and fastnesses of it, that were in his interests. And the care Joshua took to secure them there, as it is an instance of his policy and presence of mind, even in the heat of action; so, in the success of their project, it shews how they who think to hide themselves from God, not only deceive, but destroy themselves. Their refuge of lies will but bind them over to God's judgment. Joshua 10:18”