Thematic Bible: Against abner by joab

Then Joab came to the king and said, "What have you done? Abner came here to you? Why have you dismissed him that he {actually went away}? You know that Abner the son of Ner came to deceive you. He came to learn about your going out and coming [in] and to know all which you [are] doing." 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]. read more.
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}.