Joab the son of Zeruiah began to number, but did not finish. And wrath came for this upon Israel. Neither was the number put into the account in the chronicles of king David.
And when Abner was returned to Hebron, Joab took him aside into the midst of the gate to speak with him quietly, and smote him there in the body, so that he died, for the blood of Asahel his brother.