30 But Joab and Abishai his brother slew Abner, because he had killed their brother ‘Asahel at Gib’on in the battle.
2 Samuel 3:30 Cross References - Leeser
2 Samuel 2:19-23
19 And ‘Asahel pursued after Abner; and he turned not in going to the right hand or to the left from following Abner.
20 And Abner turned round and said, Art thou ‘Asahel? And he answered, I am.
21 And Abner said to him, Turn thee aside to thy right hand or to thy left, and lay hold for thyself on one of the young men, and take thyself his armor. But ‘Asahel would not turn aside from following him.
22 And Abner repeated again to say unto ‘Asahel, Turn thee aside from following me: wherefore should I smite thee to the ground? and how should I then lift up my face to Joab thy brother?
23 But he refused to turn aside; and Abner smote him with the hinder end of the spear under the fifth rib, so that the spear came out behind him; and he fell down there, and died on the spot: and it came to pass, that all who came to the place where ‘Asahel had fallen down and died remained standing still.
Proverbs 28:17
17 A man oppressed by the load of having shed human blood will flee even to the pit: let no man hold him.