Numbers 35:31

You are not to accept a ransom for the life of a murderer who is guilty of killing someone; he must be put to death.

I will require the life of every animal and every man for your life and your blood. I will require the life of each man’s brother for a man’s life.

If a person schemes and willfully acts against his neighbor to murder him, you must take him from My altar to be put to death.

But if someone hates his neighbor, lies in ambush for him, attacks him, and strikes him fatally, and flees to one of these cities,

David responded to Nathan, “I have sinned against the Lord.”

Then Nathan replied to David, “The Lord has taken away your sin; you will not die.

The news reached Joab. Since he had supported Adonijah but not Absalom, Joab fled to the Lord’s tabernacle and took hold of the horns of the altar.

Save me from the guilt of bloodshed, God,
the God of my salvation,
and my tongue will sing of Your righteousness.

Treasury of Scripture Knowledge

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.

I will require the life of every animal and every man for your life and your blood. I will require the life of each man’s brother for a man’s life.

If a person schemes and willfully acts against his neighbor to murder him, you must take him from My altar to be put to death.

But if someone hates his neighbor, lies in ambush for him, attacks him, and strikes him fatally, and flees to one of these cities,

David responded to Nathan, “I have sinned against the Lord.”

Then Nathan replied to David, “The Lord has taken away your sin; you will not die.

The news reached Joab. Since he had supported Adonijah but not Absalom, Joab fled to the Lord’s tabernacle and took hold of the horns of the altar.

Save me from the guilt of bloodshed, God,
the God of my salvation,
and my tongue will sing of Your righteousness.

“Whoever strikes a person so that he dies must be put to death.

‘The one who secretly kills his neighbor is cursed.’
And all the people will say, ‘Amen!’