Joshua 20:3
“That the slayer that killeth any person unawares and unwittingly may flee thither: and they shall be your refuge from the avenger of blood.”
The Lord also spake unto Joshua, saying,
Speak to the children of Israel, saying, Appoint out for you cities of refuge, whereof I spake unto you by the hand of Moses:
That the slayer that killeth any person unawares and unwittingly may flee thither: and they shall be your refuge from the avenger of blood.
And when he that doth flee unto one of those cities shall stand at the entering of the gate of the city, and shall declare his cause in the ears of the elders of that city, they shall take him into the city unto them, and give him a place, that he may dwell among them.
And if the avenger of blood pursue after him, then they shall not deliver the slayer up into his hand; because he smote his neighbour unwittingly, and hated him not beforetime.
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“These were the cities appointed for all the children of Israel, and for the stranger that sojourneth among them, that whosoever killeth any person at unawares might flee thither, and not die by the hand of the avenger of blood, until he stood before the congregation.”
“That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation, who have fled for refuge to lay hold upon the hope set before us:”
“And they shall be unto you cities for refuge from the avenger; that the manslayer die not, until he stand before the congregation in judgment.”
“The revenger of blood himself shall slay the murderer: when he meeteth him, he shall slay him.”
“But if he thrust him suddenly without enmity, or have cast upon him any thing without laying of wait,”