Numbers 35:11

¹¹ και διαστελειτε υμιν αυτοις πολεις φυγαδευτηρια εσται υμιν φυγειν εκει τον φονευτην πας ο παταξας ψυχην ακουσιως

By Henry MacLagan

Verse 11. He recognizes that the Lord provides for such a state protection from the consequences of evil committed without evil intention.