1 Kings 2:28

When the message came to Joab (now Joab {had supported} Adonijah but {had not supported} Absalom), he fled to the tent of Yahweh and grasped the horns of the altar.

1 Kings 1:7

{He conferred} with Joab the son of Zeruiah and with Abiathar the priest, and {they supported Adonijah}.

1 Kings 1:50

Adonijah was afraid because of Solomon, and he got up and went and grasped the horns of the altar.

2 Samuel 18:2

David sent forth a third of the troops {under the command of Joab}, and a third {under the command of Abishai}, the brother of Joab, the son of Zeruiah, and the remaining third {under the command of Ittai} the Gittite. And the king said to the troops, "I, even I, {will certainly go out} with you."

Exodus 27:2

And you will make its horns on its four corners; its horns will be {of one piece with it}, and you will overlay it [with] bronze.

Deuteronomy 32:35

{Vengeance belongs to me} and [also] recompense, {for at the time their foot slips}, because the day of their disaster [is] near, {and fate comes quickly for them}.'

2 Samuel 17:25

Absalom had appointed Amasa in place of Joab over the army. Now Amasa [was] the son of a man whose name [was] Ithra the Israelite, {who had married} Abigail the daughter of Nahash the sister of Zeruiah, the mother of Joab.

2 Samuel 18:14-15

Joab said, "No longer will I wait in your presence." Then he took three spears in his hand and thrust them into the heart of Absalom while he [was] still alive in the oak tree.

Treasury of Scripture Knowledge

Summary

Then tidings came to Joab: for Joab had turned after Adonijah, though he turned not after Absalom. And Joab fled unto the tabernacle of the LORD, and caught hold on the horns of the altar.

Bible References

Joab had

1 Kings 1:7
{He conferred} with Joab the son of Zeruiah and with Abiathar the priest, and {they supported Adonijah}.
Deuteronomy 32:35
{Vengeance belongs to me} and [also] recompense, {for at the time their foot slips}, because the day of their disaster [is] near, {and fate comes quickly for them}.'
2 Samuel 18:2
David sent forth a third of the troops {under the command of Joab}, and a third {under the command of Abishai}, the brother of Joab, the son of Zeruiah, and the remaining third {under the command of Ittai} the Gittite. And the king said to the troops, "I, even I, {will certainly go out} with you."

Caught

1 Kings 1:50
Adonijah was afraid because of Solomon, and he got up and went and grasped the horns of the altar.
Exodus 27:2
And you will make its horns on its four corners; its horns will be {of one piece with it}, and you will overlay it [with] bronze.