Deuteronomy 19:11

But there must not be among you one guilty of blood. If therefore there be among you a man who hateth his neighbour, and who shall lie in wait for him, and rise up against him, and smite him so that he die, and flee to one of these cities;

But if there should be in thee a man hating his neighbour, and he should lay wait for him, and rise up against him, and smite him, that he die, and he should flee to one of these cities,