Numbers 35:16-22

16And if he shall smite him with an instrument of iron, so that he shall die, he is a murderer: the murderer shall surely be put to death. 17And if he shall smite him by throwing a stone, by which he may die, and he shall die, he is a murderer: the murderer shall surely be put to death.1 18Or if he shall smite him with an hand weapon of wood, by which he may die, and he shall die, he is a murderer: the murderer shall surely be put to death. 19The avenger of blood himself shall slay the murderer: when he meeteth him, he shall slay him. 20But if he shall thrust him of hatred, or hurl at him by laying in wait, that he die; 21Or in enmity shall smite him with his hand, that he die: he that smote him shall surely be put to death; for he is a murderer: the avenger of blood shall slay the murderer, when he meeteth him. 22But if he shall thrust him suddenly without enmity, or shall have cast upon him any thing without laying in wait,