Numbers 35:19-32 - Laws About Murder And Accidental Killing
19 The avenger of blood shall himself put the murderer to death: when he meeteth him, he shall put him to death. 20 And if he thrust him of hatred, or hurled at him, lying in wait, so that he died, 21 or in enmity smote him with his hand, so that he died; he that smote him shall surely be put to death; he is a murderer: the avenger of blood shall put the murderer to death, when he meeteth him.
22 But if he thrust him suddenly without enmity, or hurled upon him anything without lying in wait, 23 or with any stone, whereby a man may die, seeing him not, and cast it upon him, so that he died, and he was not his enemy, neither sought his harm; 24 then the congregation shall judge between the smiter and the avenger of blood according to these ordinances; 25 and the congregation shall deliver the manslayer out of the hand of the avenger of blood, and the congregation shall restore him to his city of refuge, whither he was fled: and he shall dwell therein until the death of the high priest, who was anointed with the holy oil.
26 But if the manslayer shall at any time go beyond the border of his city of refuge, whither he fleeth, 27 and the avenger of blood find him without the border of his city of refuge, and the avenger of blood slay the manslayer; he shall not be guilty of blood, 28 because he should have remained in his city of refuge until the death of the high priest: but after the death of the high priest the manslayer shall return into the land of his possession. 29 And these things shall be for a statute and ordinance unto you throughout your generations in all your dwellings.
30 Whoso killeth any person, the murderer shall be slain at the mouth of witnesses: but one witness shall not testify against any person that he die. 31 Moreover ye shall take no ransom for the life of a murderer, that is guilty of death; but he shall surely be put to death. 32 And ye shall take no ransom for him that is fled to his city of refuge, that he may come again to dwell in the land, until the death of the priest.