Numbers 35:6-21

6 The towns that you give to the Levites shall include the six cities of refuge, where you shall permit a slayer to flee, and in addition to them you shall give forty-two towns.
7 The towns that you give to the Levites shall total forty-eight, with their pasture lands.
8 And as for the towns that you shall give from the possession of the Israelites, from the larger tribes you shall take many, and from the smaller tribes you shall take few; each, in proportion to the inheritance that it obtains, shall give of its towns to the Levites.
9 The Lord spoke to Moses, saying:
10 Speak to the Israelites, and say to them: When you cross the Jordan into the land of Canaan,
11 then you shall select cities to be cities of refuge for you, so that a slayer who kills a person without intent may flee there.
12 The cities shall be for you a refuge from the avenger, so that the slayer may not die until there is a trial before the congregation.
13 The cities that you designate shall be six cities of refuge for you:
14 you shall designate three cities beyond the Jordan, and three cities in the land of Canaan, to be cities of refuge.
15 These six cities shall serve as refuge for the Israelites, for the resident or transient alien among them, so that anyone who kills a person without intent may flee there.
16 But anyone who strikes another with an iron object, and death ensues, is a murderer; the murderer shall be put to death.
17 Or anyone who strikes another with a stone in hand that could cause death, and death ensues, is a murderer; the murderer shall be put to death.
18 Or anyone who strikes another with a weapon of wood in hand that could cause death, and death ensues, is a murderer; the murderer shall be put to death.
19 The avenger of blood is the one who shall put the murderer to death; when they meet, the avenger of blood shall execute the sentence.
20 Likewise, if someone pushes another from hatred, or hurls something at another, lying in wait, and death ensues,
21 or in enmity strikes another with the hand, and death ensues, then the one who struck the blow shall be put to death; that person is a murderer; the avenger of blood shall put the murderer to death, when they meet.
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