Joshua 10:21
“And all the people returned to the camp to Joshua at Makkedah in peace: none moved his tongue against any of the children of Israel.”
And stay ye not, but pursue after your enemies, and smite the hindmost of them; suffer them not to enter into their cities: for the Lord your God hath delivered them into your hand.
And it came to pass, when Joshua and the children of Israel had made an end of slaying them with a very great slaughter, till they were consumed, that the rest which remained of them entered into fenced cities.
And all the people returned to the camp to Joshua at Makkedah in peace: none moved his tongue against any of the children of Israel.
Then said Joshua, Open the mouth of the cave, and bring out those five kings unto me out of the cave.
And they did so, and brought forth those five kings unto him out of the cave, the king of Jerusalem, the king of Hebron, the king of Jarmuth, the king of Lachish, and the king of Eglon.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“But against any of the children of Israel shall not a dog move his tongue, against man or beast: that ye may know how that the Lord doth put a difference between the Egyptians and Israel.”
“Against whom do ye sport yourselves? against whom make ye a wide mouth, and draw out the tongue? are ye not children of transgression, a seed of falsehood,”
“No weapon that is formed against thee shall prosper; and every tongue that shall rise against thee in judgment thou shalt condemn. This is the heritage of the servants of the Lord, and their righteousness is of me, saith the Lord.”
“But against any of the children of Israel shall not a dog move his tongue, against man or beast: that ye may know how that the Lord doth put a difference between the Egyptians and Israel.”
“And Gederoth, Beth–dagon, and Naamah, and Makkedah; sixteen cities with their villages:”