Numbers 35:17-18

And if he smite him with throwing a stone, wherewith he may die, and he die, he {is} a murderer: the murderer shall surely be put to death. {with...: Heb. with a stone of the hand} Or {if} he smite him with an hand weapon of wood, wherewith he may die, and he die, he {is} a murderer: the murderer shall surely be put to death.