2 Samuel 3:30-33

3:30 So Joab and his brother Abishai killed Abner, because he had killed their brother Asahel in Gibeon during the battle.

3:31 David instructed Joab and all the people who were with him, “Tear your clothes! Put on sackcloth! Lament before Abner!” Now King David followed behind the funeral bier. 3:32 So they buried Abner in Hebron. The king cried loudly over Abner’s grave and all the people wept too. 3:33 The king chanted the following lament for Abner:

“Should Abner have died like a fool?