And the king sang this lament for Abner: “Should Abner die the death of a fool?
We have here an account of the murder of Abner by Joab, and David's deep resentment of it. I. Joab very insolently fell foul upon David for treating with Abner. He happened to be abroad upon service when Abner was with David, pursuing a troop, either of Philistines or of Saul's party; but, upon his return, he was informed that Abner was just gone (Sa2...
Commenting on 2 Samuel 3:22-39
And the king lamented over Abner,.... Delivered an elegy or funeral oration, which he had composed on this occasion, as Josephus (u) suggests: for he had cried and wept before, but now he expressed something as follows: and said, died Abner as a fool dieth?
the king lamented over Abner--This brief elegy is an effusion of indignation as much as of sorrow. As Abner had stabbed Asahel in open war [Sa2 2:23], Joab had not the right of the Goel. Besides, he had adopted a lawless and execrable method of obtaining satisfaction (see on Kg1 2:5). The deed was an insult to the authority, as well as most damaging to the prospects of the king.