2 Samuel 3:30-34
English Standard Version
31Then David said to Joab and to all the people who were with him, "Tear your clothes and put on sackcloth and mourn before Abner." And King David followed the bier.
32They buried Abner at Hebron. And the king lifted up his voice and wept at the grave of Abner, and all the people wept.
33And the king lamented for Abner, saying, "Should Abner die as a fool dies?