2 Samuel 18:9-17

9And Absalom found himself in the presence of David's servants. And Absalom was riding upon a mule, and the mule went under the thick boughs of the great terebinth, and his head caught in the terebinth, and he was taken up between the heaven and the earth; and the mule that was under him went away.

10And a man saw it, and told Joab, and said, Behold, I saw Absalom hanging in a terebinth.

11And Joab said to the man that told him, And behold, thou sawest [him], and why didst thou not smite him there to the ground? and I would have given thee ten silver pieces and a girdle.

12And the man said to Joab, Though I should receive a thousand silver pieces in my hand, yet would I not put forth my hand against the king's son; for in our hearing the king charged thee and Abishai and Ittai, saying, Take care, whoever it be [of you], of the young man Absalom.

13Or I should have acted falsely against mine own life, for there is no matter concealed from the king, and thou wouldest have set thyself against [me].

14Then said Joab, I may not tarry thus with thee. And he took three spears in his hand, and thrust them into Absalom's body, while he was yet alive in the midst of the terebinth.

15And ten young men that bore Joab's armour surrounded and smote Absalom, and killed him.

16And Joab blew the trumpet, and the people returned from pursuing after Israel; for Joab kept back the people.

17And they took Absalom, and cast him into a great pit in the wood, and raised a very great heap of stones upon him. And all Israel fled every one to his tent.