Joshua 20:6
The killer will stay in that city until he stands before the congregation for the trial, until the death of the one who is the high priest in those days. Then {the killer will return} to his city and to his house, to the city from which he fled.'"
Numbers 35:12
The cities will be to you a refuge from a redeemer, so that the killer will not die until he stands before the community for judgment.
Numbers 35:24-25
then the community will judge between the striker and between the blood avenger according to these ordinances.
Hebrews 9:26
since it would have been necessary for him to suffer many times from the foundation of the world, but now he has appeared once at the end of the ages for the removal of sin by the sacrifice of himself.