Numbers 35:24-26

New Century Version

²⁴ If that happens, the community must judge between the relative of the dead person and the killer, according to these rules. ²⁵ They must protect the killer from the dead person’s relative, sending the killer back to the original city of safety, to stay there until the high priest dies (the high priest had the holy oil poured on him).

²⁶ “‘Such a person must never go outside the limits of the city of safety.