2 Samuel 1:15-17

15 And David sent for one of his young men and said, Go near and put an end to him. And he put him to death.

16 And David said to him, May your blood be on your head; for your mouth has given witness against you, saying, I have put to death the man marked with the holy oil.

17 Then David made this song of grief for Saul and Jonathan, his son: