2 Samuel 24:5
“And they passed over Jordan, and pitched in Aroer, on the right side of the city that lieth in the midst of the river of Gad, and toward Jazer:”
And Joab said unto the king, Now the Lord thy God add unto the people, how many soever they be, an hundredfold, and that the eyes of my lord the king may see it: but why doth my lord the king delight in this thing?
Notwithstanding the king’s word prevailed against Joab, and against the captains of the host. And Joab and the captains of the host went out from the presence of the king, to number the people of Israel.
And they passed over Jordan, and pitched in Aroer, on the right side of the city that lieth in the midst of the river of Gad, and toward Jazer:
Then they came to Gilead, and to the land of Tahtim–hodshi; and they came to Dan–jaan, and about to Zidon,
And came to the strong hold of Tyre, and to all the cities of the Hivites, and of the Canaanites: and they went out to the south of Judah, even to Beer–sheba.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Now the children of Reuben and the children of Gad had a very great multitude of cattle: and when they saw the land of Jazer, and the land of Gilead, that, behold, the place was a place for cattle;”
“And unto the Reubenites and unto the Gadites I gave from Gilead even unto the river Arnon half the valley, and the border even unto the river Jabbok, which is the border of the children of Ammon;”
“From Aroer, which is by the brink of the river of Arnon, and from the city that is by the river, even unto Gilead, there was not one city too strong for us: the Lord our God delivered all unto us:”
“And their coast was from Aroer, that is on the bank of the river Arnon, and the city that is in the midst of the river, and all the plain by Medeba;”
“And to them which were in Aroer, and to them which were in Siphmoth, and to them which were in Eshtemoa,”