Thus 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.
It was one of the precepts given to the sons of Noah that whoso sheddeth man's blood by man shall his blood be shed, that is, by the avenger of blood, Gen 9:6. Now here we have the law settled between blood and blood, between the blood of the murdered and the blood of the murderer, and effectual provision made, I.
Commenting on Deuteronomy 19:1-13
But if any man hate his neighbour,.... Has conceived enmity in his heart against him, bears him a mortal hatred, and has formed a scheme in his mind to take away his life: and lie in wait for him knowing and expecting he will come by in such a way at such a time: and rise up against him; out of the place where he...
That innocent blood be not shed in thy land, which the LORD thy God giveth thee [for] an inheritance, and [so] blood be upon thee. (e) Lest you be punished for innocent blood.