Numbers 35:18-20

American Standard Version

¹⁸ Or if he smote him with a weapon of wood in the hand, whereby a man may die, and he died, he is a murderer: the murderer shall surely be put to death. ¹⁹ The avenger of blood shall himself put the murderer to death: when he meeteth him, he shall put him to death. ²⁰ And if he thrust him of hatred, or hurled at him, lying in wait, so that he died,