David laments for Abner
David buried Abner in Hebron, lamented over him and denied responsibility for his murder.
Key passages
2 Sa 3:28–39

When David heard this afterwards, he said: “I and my kingdom are innocent before Yahweh forever for the blood of Abner the son of Ner. May the blood come down on the head of Joab and all the house of his father. May the house of Joab never lack one with a bodily discharge or one with leprosy …

See also
Important Things