2 Samuel 3:27
When Abner returned to Hebron, Joab brought him aside within the gateway to talk to him alone and then stabbed him in the abdomen. So he died for shedding the blood of Joab's brother Asahel.
2 Samuel 20:9-10
Joab asked Amasa, "Is everything going well with you, my brother?" As Joab took Amasa by his beard to greet him,
1 Kings 2:5
"Furthermore, you're aware of what Zeruiah's son Joab did to me and to those two commanders of the armies of Israel, Ner's son Abner and Jether's son Amasa, whom he killed, and how he shed the blood of wartime during times of peace, staining the very belt he wears around his waist and the sandals he wears on his feet.
1 Kings 2:32
The LORD will repay him for his bloodshed because, without my father David's consent he attacked and murdered two men more righteous and better than he, Ner's son Abner, the commander of Israel's army and Jether's son Amasa, commander of Judah's army.
Deuteronomy 27:24
""Cursed is one who strikes his neighbor secretly.' "Then all the people are to respond by saying, "Amen!'
2 Samuel 2:19-23
So Asahel ran straight after Abner, following him.
Jeremiah 41:2
Nethaniah's son Ishmael and the ten men with him got up and killed Ahikam's son Gedaliah, the grandson of Shaphan, with swords and killed the man whom the king of Babylon had appointed over the land.
Jeremiah 41:6-7
Nethaniah's son Ishmael went out from Mizpah to meet them, crying as he went. As he met them he told them, "Come meet with Ahikam's son Gedaliah."