Numbers 35:31
Moreover, you shall accept no ransom for the life of a murderer, who is guilty of death, but he shall be put to death.
Genesis 9:5-6
And for your lifeblood I will require a reckoning: from every beast I will require it and from man. From his fellow man I will require a reckoning for the life of man.
Exodus 21:14
But if a man willfully attacks another to kill him by cunning, you shall take him from my altar, that he may die.
Deuteronomy 19:11-13
"But if anyone hates his neighbor and lies in wait for him and attacks him and strikes him fatally so that he dies, and he flees into one of these cities,
2 Samuel 12:13
David said to Nathan, "I have sinned against the LORD." And Nathan said to David, "The LORD also has put away your sin; you shall not die.
1 Kings 2:28-34
When the news came to Joab--for Joab had supported Adonijah although he had not supported Absalom--Joab fled to the tent of the LORD and caught hold of the horns of the altar.
Psalm 51:14
Deliver me from bloodguiltiness, O God, O God of my salvation, and my tongue will sing aloud of your righteousness.