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Joab leads the assault on Jerusalem and becomes commander of David's army.
Joab murders Abner in revenge for killing his brother Asahel.
Joab carries out David's orders to have Uriah killed in battle.
Joab kills Absalom against David's explicit command to spare him.
Joab backs Adonijah's attempt to seize the throne from Solomon.
Solomon has Joab executed at the altar for his murders.