Numbers 35:31

Murderers must be put to death. They cannot escape this penalty by the payment of money.

Genesis 9:5-6

I will require your lifeblood as an accounting. I will demand an accounting from every animal. I will demand an accounting from each man for the life of his fellow man.

Exodus 21:14

If a man schemes and kills a man deliberately remove him from my altar and put him to death.

Deuteronomy 19:11-13

But if there is a man who hates his neighbor and lies in wait for him and murders him. If he flees to one of these cities,

2 Samuel 12:13

David said to Nathan: I have sinned against Jehovah. Nathan replied: Jehovah has taken away your sin. You will not die.

1 Kings 2:28-34

Joab received news of this for Joab had been one of Adonijah's supporters. He was not on Absalom's side. Then Joab went in flight to the Tent of Jehovah and put his hands on the corners of the altar.

Psalm 51:14

Rescue (deliver) me from the bloodguilt of murder O God of my salvation. Let my tongue sing joyfully about your righteousness!

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

Moreover

Genesis 9:5
I will require your lifeblood as an accounting. I will demand an accounting from every animal. I will demand an accounting from each man for the life of his fellow man.
Exodus 21:14
If a man schemes and kills a man deliberately remove him from my altar and put him to death.
Deuteronomy 19:11
But if there is a man who hates his neighbor and lies in wait for him and murders him. If he flees to one of these cities,
2 Samuel 12:13
David said to Nathan: I have sinned against Jehovah. Nathan replied: Jehovah has taken away your sin. You will not die.
1 Kings 2:28
Joab received news of this for Joab had been one of Adonijah's supporters. He was not on Absalom's side. Then Joab went in flight to the Tent of Jehovah and put his hands on the corners of the altar.
Psalm 51:14
Rescue (deliver) me from the bloodguilt of murder O God of my salvation. Let my tongue sing joyfully about your righteousness!

General references

Exodus 21:12
Death is the punishment for murder.
Deuteronomy 27:24
Cursed is he who beats his neighbor in secret.' And all the people will say: 'Amen.'