Judges 20:13
“Now therefore deliver us the men, the children of Belial, which are in Gibeah, that we may put them to death, and put away evil from Israel. But the children of Benjamin would not hearken to the voice of their brethren the children of Israel:”
So all the men of Israel were gathered against the city, knit together as one man.
And the tribes of Israel sent men through all the tribe of Benjamin, saying, What wickedness is this that is done among you?
Now therefore deliver us the men, the children of Belial, which are in Gibeah, that we may put them to death, and put away evil from Israel. But the children of Benjamin would not hearken to the voice of their brethren the children of Israel:
But the children of Benjamin gathered themselves together out of the cities unto Gibeah, to go out to battle against the children of Israel.
And the children of Benjamin were numbered at that time out of the cities twenty and six thousand men that drew sword, beside the inhabitants of Gibeah, which were numbered seven hundred chosen men.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“And the man that will do presumptuously, and will not hearken unto the priest that standeth to minister there before the Lord thy God, or unto the judge, even that man shall die: and thou shalt put away the evil from Israel.”
“And all the men of his city shall stone him with stones, that he die: so shalt thou put evil away from among you; and all Israel shall hear, and fear.”
“And there happened to be there a man of Belial, whose name was Sheba, the son of Bichri, a Benjamite: and he blew a trumpet, and said, We have no part in David, neither have we inheritance in the son of Jesse: every man to his tents, O Israel.”
“But the sons of Belial shall be all of them as thorns thrust away, because they cannot be taken with hands:”
“Who knowing the judgment of God, that they which commit such things are worthy of death, not only do the same, but have pleasure in them that do them.”