Deuteronomy 19:9-11

Modern English Version

⁹ and if you will carefully keep all these commandments, which I command you today, to love the Lord your God, and to always walk in His ways, then you must add three cities more for yourself, besides these three. ¹⁰ Then innocent blood will not be shed in your land, which the Lord your God is giving you for an inheritance, and blood guiltiness be on you.

¹¹ But if any man hates his neighbor, and lies in wait for him, and rises up against him, and mortally strikes him, causing him to die, and flees to one of these cities,