Contradiction with Proverbs 17:15
It contradicts 2 Samuel 18:19 as Proverbs condemns justifying the wicked, while Ahimaaz wanted to bring good news about Absalom's death, which King David saw as evil news.
Proverbs 17:15: He that justifieth the wicked, and he that condemneth the just, even they both [are] abomination to the LORD.
Contradiction with Exodus 23:7
It contradicts 2 Samuel 18:19 as Exodus warns against justifying the wicked, paralleling Ahimaaz wishing to deliver what he perceived as good news regarding David's adversary.
Exodus 23:7: Keep thee far from a false matter; and the innocent and righteous slay thou not: for I will not justify the wicked.
Contradiction with Isaiah 5:20
It contradicts 2 Samuel 18:19 as Isaiah speaks against calling evil good, which aligns with Ahimaaz intending to report Absalom's death positively to David.
Isaiah 5:20: Woe unto them that call evil good, and good evil; that put darkness for light, and light for darkness; that put bitter for sweet, and sweet for bitter! [call...: Heb. say concerning evil, It is good, etc]