2 Kings 14:6
“But the children of the murderers he slew not: according unto that which is written in the book of the law of Moses, wherein the Lord commanded, saying, The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall be put to death for his own sin.”
Howbeit the high places were not taken away: as yet the people did sacrifice and burnt incense on the high places.
And it came to pass, as soon as the kingdom was confirmed in his hand, that he slew his servants which had slain the king his father.
But the children of the murderers he slew not: according unto that which is written in the book of the law of Moses, wherein the Lord commanded, saying, The fathers shall not be put to death for the children, nor the children be put to death for the fathers; but every man shall be put to death for his own sin.
He slew of Edom in the valley of salt ten thousand, and took Selah by war, and called the name of it Joktheel unto this day.
Then Amaziah sent messengers to Jehoash, the son of Jehoahaz son of Jehu, king of Israel, saying, Come, let us look one another in the face.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Related Verses
“The fathers shall not be put to death for the children, neither shall the children be put to death for the fathers: every man shall be put to death for his own sin.”
“And he that smiteth his father, or his mother, shall be surely put to death.”
“Moreover ye shall take no satisfaction for the life of a murderer, which is guilty of death: but he shall be surely put to death.”
“For every one that curseth his father or his mother shall be surely put to death: he hath cursed his father or his mother; his blood shall be upon him.”
“So shalt thou put away the guilt of innocent blood from among you, when thou shalt do that which is right in the sight of the Lord.”