2 Samuel 4:8
And they brought the head of Ish–bosheth unto David to Hebron, and said to the king, Behold the head of Ish–bosheth the son of Saul thine enemy, which sought thy life; and the Lord hath avenged my lord the king this day of Saul, and of his seed.
Cross-reference
In 2 Samuel 16:8, Shimei curses David, saying God is repaying him for Saul's blood — directly opposite to the assassins' claim of vengeance on Saul.
In 2 Samuel 22:48, David later praises God as the one who avenged him — the same term used by the assassins here, though David rejects their act.
In 1 Samuel 19:2-11, Saul repeatedly tries to kill David — the hostility the killers in 2 Sam 4:8 claim to avenge.
1 Samuel 19:15 shows Saul ordering David's capture for execution, underscoring the ongoing threat claimed avenged in 2 Sam 4:8.
1 Samuel 20:1 shows David fleeing from Saul, providing background to the 'vengeance' claimed in 2 Sam 4:8.
1 Samuel 23:15 describes Saul's daily pursuit of David, context for why killing Saul's son seemed like vengeance in 2 Sam 4:8.
In 1 Samuel 25:29, Abigail prophesies David's enemies will be slung away — a promise seemingly fulfilled in 2 Sam 4:8.
In 1 Samuel 24:4, David's men offer to kill Saul, but David refuses — contrasting the assassins' murder of Ish-bosheth and David's later judgment.
In 1 Samuel 20:16, Jonathan prays for the LORD to take vengeance on David's enemies — a wish that these assassins claim is fulfilled.