10Thus innocent blood will not be shed in the land that the LORD your God is giving you as an inheritance, so that you will not be guilty of bloodshed.
11If, however, a man hates his neighbor and lies in wait, attacks him and kills him, and then flees to one of these cities,
12the elders of his city must send for him, bring him back, and hand him over to the avenger of blood to die.
13You must show him no pity. You are to purge from Israel the guilt of shedding innocent blood, that it may go well with you.
— Deuteronomy 19:10-13