2 Samuel 3:31; 2 Samuel 4:7

2 Samuel 3:31

31 Then David said to Joab and to all the people who were with him, "Tear your clothes and gird on sackcloth and lament before Abner." And King David walked behind the bier.

2 Samuel 4:7

7 Now when they came into the house, as he was lying on his bed in his bedroom , they struck him and killed him and beheaded him. And they took his head and traveled by way of the Arabah all night.