2 Samuel 3:27
And when Abner was back in Hebron, Joab took him on one side by the doorway of the town to have a word with him quietly, and there he gave him a wound in the stomach, causing his death in payment for the death of his brother Asahel.
2 Samuel 20:9-10
And Joab said to Amasa, Is it well, my brother? And with his right hand he took him by the hair of his chin to give him a kiss.
1 Kings 2:5
Now you have knowledge of what Joab, the son of Zeruiah, did to me, and to the two captains of the army of Israel, Abner, the son of Ner, and Amasa, the son of Jether, whom he put to death, taking payment for the blood of war in time of peace, and making the band of my clothing and the shoes on my feet red with the blood of one put to death without cause.
1 Kings 2:32
And the Lord will send back his blood on his head, because of the attack he made on two men more upright and better than himself, putting them to the sword without my father's knowledge; even Abner, the son of Ner, captain of the army of Israel, and Amasa, the son of Jether, captain of the army of Judah.
Deuteronomy 27:24
Cursed is he who takes his neighbour's life secretly. And let all the people say, So be it.
2 Samuel 2:19-23
Asahel went running after Abner, not turning to the right or to the left.
Jeremiah 41:2
Then Ishmael, the son of Nethaniah, and the ten men who were with him, got up, and attacking Gedaliah, the son of Ahikam, the son of Shaphan, with the sword, put to death him whom the king of Babylon had made ruler over the land.
Jeremiah 41:6-7
And Ishmael, the son of Nethaniah, went out from Mizpah with the purpose of meeting them, weeping on his way: and it came about that when he was face to face with them he said, Come to Gedaliah, the son of Ahikam.