Numbers 35:17-19

New Revised Standard Version Catholic Edition

¹⁷ Or anyone who strikes another with a stone in hand that could cause death, and death ensues, is a murderer; the murderer shall be put to death. ¹⁸ Or anyone who strikes another with a weapon of wood in hand that could cause death, and death ensues, is a murderer; the murderer shall be put to death. ¹⁹ The avenger of blood is the one who shall put the murderer to death; when they meet, the avenger of blood shall execute the sentence.