Shmuel Bais 3:26-28

Orthodox Jewish Bible

²⁶ And when Yoav was come out from Dovid, he sent malachim after Avner, which brought him back from the well of Sirah; but Dovid knew it not.

²⁷ And when Avner was returned to Chevron, Yoav took him aside in the sha’ar to speak with him privately, and struck him there under the fifth rib, that he died, for the dahm of Asahel his brother.

²⁸ And afterward when Dovid heard it, he said, I and my mamlachah are naki (innocent) before Hashem ad olam from the dahm of Avner Ben Ner;