2 Samuel 3:27

3:27 When Abner returned to Hebron, Joab took him aside at the gate as if to speak privately with him. Joab then stabbed him in the abdomen and killed him, avenging the shed blood of his brother Asahel.

2 Samuel 4:6

4:6 They entered the house under the pretense of getting wheat and mortally wounded him in the stomach. Then Recab and his brother Baanah escaped.

2 Samuel 5:6

David Occupies Jerusalem

5:6 Then the king and his men advanced to Jerusalem against the Jebusites who lived in the land. The Jebusites said to David, “You cannot invade this place! Even the blind and the lame will turn you back, saying, ‘David cannot invade this place!’”

2 Samuel 20:10

20:10 Amasa did not protect himself from the knife in Joab’s other hand, and Joab stabbed him in the abdomen, causing Amasa’s intestines to spill out on the ground. There was no need to stab him again; the first blow was fatal. Then Joab and his brother Abishai pursued Sheba son of Bicri.