Numbers 35:17-18

Context
35:17 If he strikes him by throwing a stone large enough that he could die, and he dies, he is a murderer. The murderer must surely be put to death. 35:18 Or if he strikes him with a wooden hand weapon so that he could die, and he dies, he is a murderer. The murderer must surely be put to death.

Numbers 35:21

Context
35:21 or with enmity he strikes him with his hand and he dies, the one who struck him must surely be put to death, for he is a murderer. The avenger of blood must kill the murderer when he meets him.