16 For David had said to him, “Your blood be on your own head. Your own mouth testified against you when you said, ‘I killed the LORD’s anointed.’ ”

Read 2 Samuel 1:16 Using Other Translations

And David said unto him, Thy blood be upon thy head; for thy mouth hath testified against thee, saying, I have slain the LORD'S anointed.
And David said to him, "Your blood be on your head, for your own mouth has testified against you, saying, 'I have killed the LORD's anointed.'"
“You have condemned yourself,” David said, “for you yourself confessed that you killed the LORD ’s anointed one.”