1 Kings 2:29

And it was told king Solomon that Joab was fled unto the tabernacle of the Lord; and, behold, he is by the altar. Then Solomon sent Benaiah the son of Jehoiada, saying, Go, fall upon him.

Cross-reference

1 Kings 2:31 provides Solomon's justification for Joab's execution — to remove bloodguilt from David's house.

1 Kings 2:25 records Solomon's similar execution of Adonijah, showing a pattern of swift judgment on rivals.

1 Kings 2:46 records Benaiah's execution of Shimei, another instance of Solomon consolidating his kingdom by removing threats.

Exodus 21:14 gives the law that deliberate murderers are not protected by the altar, which Solomon enforces against Joab.

2 Samuel 23:20 describes Benaiah's heroic exploits, identifying the man Solomon sends to execute Joab.