Deuteronomy 19:10-11

YLT(i) 10 and innocent blood is not shed in the midst of thy land which Jehovah thy God is giving to thee—an inheritance, and there hath been upon thee blood. 11 `And when a man is hating his neighbour, and hath lain in wait for him, and risen against him, and smitten him—the life, and he hath died, and he hath fled unto one of these cities,