2 Samuel 3:26-28 Lexham English Bible (LEB)
26 Then Joab went out from David, and he sent messengers after Abner, and they brought him back from Bor Hasirah, but David did not know it.
27 When Abner returned to Hebron, Joab took him aside to the middle of the gate to speak with him in private. Then he struck him in the stomach there and he died, for he had shed the blood of Asahel his brother.[a] 28 When David heard this afterwards, he said: “I and my kingdom are innocent before Yahweh[b] forever for the blood of Abner the son of Ner.