Joshua 20:9
These were the cities appointed for all the children of Israel, and for the stranger sojourning among them, that whoever should kill any person unawares might flee thither, and not die by the hand of the avenger of blood, until he stood before the congregation.
Numbers 35:15
These six cities shall be a refuge, both for the children of Israel, and for the stranger, and for the sojourner among them: that every one that killeth any person unawares may flee thither.
Joshua 20:4
And when he that doth flee to 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 to them, and give him a place, that he may dwell among them.
Joshua 20:6
And he shall dwell in that city, until he shall stand before the congregation for judgment, and until the death of the high-priest that shall be in those days: then shall the slayer return, and come to his own city, and to his own house, to the city from whence he fled.