Genesis 9:6 Whoso sheddeth man's blood, by man shall his blood be shed: for in the image of God made he man.

Exodus 21:14 But if a man come presumptuously upon his neighbour, to slay him with guile; thou shalt take him from mine altar, that he may die.

Numbers 35:31 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.