And when Abner was returned to Hebron, Joab took him aside to the middle of the gate, to speak to him treacherously. And he stabbed him there in the groin: and he died, in revenge of the blood of Asael his brother.
Let every man take heed of his neighbour, and let him not trust in any brother of his: for every brother will utterly supplant, and every friend will walk deceitfully.