2 Samuel 15:10
“But Absalom sent spies throughout all the tribes of Israel, saying, As soon as ye hear the sound of the trumpet, then ye shall say, Absalom reigneth in Hebron.”
For thy servant vowed a vow while I abode at Geshur in Syria, saying, If the Lord shall bring me again indeed to Jerusalem, then I will serve the Lord.
And the king said unto him, Go in peace. So he arose, and went to Hebron.
But Absalom sent spies throughout all the tribes of Israel, saying, As soon as ye hear the sound of the trumpet, then ye shall say, Absalom reigneth in Hebron.
And with Absalom went two hundred men out of Jerusalem, that were called; and they went in their simplicity, and they knew not any thing.
And Absalom sent for Ahithophel the Gilonite, David’s counsellor, from his city, even from Giloh, while he offered sacrifices. And the conspiracy was strong; for the people increased continually with Absalom.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Thus saith the Lord, Behold, I will raise up evil against thee out of thine own house, and I will take thy wives before thine eyes, and give them unto thy neighbour, and he shall lie with thy wives in the sight of this sun.”
“Therefore he said unto his servants, See, Joab’s field is near mine, and he hath barley there; go and set it on fire. And Absalom’s servants set the field on fire.”
“And it came to pass after this, that David enquired of the Lord, saying, Shall I go up into any of the cities of Judah? And the Lord said unto him, Go up. And David said, Whither shall I go up? And he said, Unto Hebron.”
“Now Absalom had commanded his servants, saying, Mark ye now when Amnon’s heart is merry with wine, and when I say unto you, Smite Amnon; then kill him, fear not: have not I commanded you? be courageous, and be valiant.”
“And the time that David was king in Hebron over the house of Judah was seven years and six months.”