1 Samuel 24:5
“And it came to pass afterward, that David’s heart smote him, because he had cut off Saul’s skirt.”
And he came to the sheepcotes by the way, where was a cave; and Saul went in to cover his feet: and David and his men remained in the sides of the cave.
And the men of David said unto him, Behold the day of which the Lord said unto thee, Behold, I will deliver thine enemy into thine hand, that thou mayest do to him as it shall seem good unto thee. Then David arose, and cut off the skirt of Saul’s robe privily.
And it came to pass afterward, that David’s heart smote him, because he had cut off Saul’s skirt.
And he said unto his men, The Lord forbid that I should do this thing unto my master, the Lord’s anointed, to stretch forth mine hand against him, seeing he is the anointed of the Lord.
So David stayed his servants with these words, and suffered them not to rise against Saul. But Saul rose up out of the cave, and went on his way.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“Because thine heart was tender, and thou hast humbled thyself before the Lord, when thou heardest what I spake against this place, and against the inhabitants thereof, that they should become a desolation and a curse, and hast rent thy clothes, and wept before me; I also have heard thee, saith the Lord.”
“And David’s heart smote him after that he had numbered the people. And David said unto the Lord, I have sinned greatly in that I have done: and now, I beseech thee, O Lord, take away the iniquity of thy servant; for I have done very foolishly.”
“Wherefore hast thou despised the commandment of the Lord, to do evil in his sight? thou hast killed Uriah the Hittite with the sword, and hast taken his wife to be thy wife, and hast slain him with the sword of the children of Ammon.”
“And David said unto his men, Gird ye on every man his sword. And they girded on every man his sword; and David also girded on his sword: and there went up after David about four hundred men; and two hundred abode by the stuff.”
“And David’s heart smote him after that he had numbered the people. And David said unto the Lord, I have sinned greatly in that I have done: and now, I beseech thee, O Lord, take away the iniquity of thy servant; for I have done very foolishly.”