When Abner returned to Hebron, Joab took him aside at the gate as if to speak privately with him. Joab then stabbed him in the abdomen and killed him, avenging the shed blood of his brother Asahel.
Joab son of Zeruiah started to count the men but did not finish. God was angry with Israel because of this, so the number was not recorded in the scroll called The Annals of King David.