27 if the blood avenger find him without the borders of his free town, he shall slay the murderer and be guiltless,
Numbers 35:27 Cross References - MSTC
Exodus 22:2
2 If a thief be found breaking up and be smitten that he die, there shall no blood be shed for him:
Deuteronomy 19:6
6 Lest the executer of blood follow after the slayer while his heart is hot and overtake him, because the way is long, and slay him, and yet there is no cause worthy of death in him, inasmuch as he hated not his neighbour in time past.
Deuteronomy 19:10
10 that innocent blood be not shed in thy land which the LORD thy God giveth thee to inherit, and so blood come upon thee.