Numbers 35:28
28 For he must remain in his city of refuge until the death of the high priest, but after the death of the high priest the manslayer may return to the land of his possession.
Numbers 35:32
32 And you shall accept no ransom for him who has fled to his city of refuge, that he may return to dwell in the land before the death of the high priest.
Joshua 20:6
6 And he shall remain in that city until he has lstood before the congregation for judgment, muntil the death of him who is high priest at the time. Then the manslayer may return to his own town and his own home, to the town from which he fled.’”