2 Samuel 1 16
David had told the Amalekite, “Your death is your own fault because you testified against yourself when you said, ‘I killed the Lord's anointed one.’”
Compare with other 3 random translations
NIV 2 Samuel 1:16For 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.’ ”
YLT 2 Samuel 1:16and David saith unto him, 'Thy blood is on thine own head, for thy mouth hath testified against thee, saying, I — I put to death the anointed of Jehovah.'
NAS 2 Samuel 1:16And David said to him, “Your blood is on your head, because your own mouth has testified against you, saying, ‘I have finished off the Lord’s anointed.’ ” David’s Song of Mourning for Saul and Jonathan