Numbers 35:27
and the blood avenger finds him outside the border of his city of refuge and kills the offender, the blood avenger will not be guilty of murder,
Exodus 22:2
“If a thief is caught breaking in [after dark] and is struck [by the owner] so that he dies, there shall be no bloodguilt for him.
Deuteronomy 19:6
otherwise the
Deuteronomy 19:10
so that innocent blood will not be shed [by blood avengers] in your land which the Lord your God is giving you as an inheritance, and blood guilt will not be on you [for the death of an innocent man].