Numbers 35:22

But if he thrust him of hatred, or hurl at him by laying of wait, that he die;

Or in enmity smite him with his hand, that he die: he that smote him shall surely be put to death; for he is a murderer: the revenger of blood shall slay the murderer, when he meeteth him.

Or with any stone, wherewith a man may die, seeing him not, and cast it upon him, that he die, and was not his enemy, neither sought his harm:

Then the congregation shall judge between the slayer and the revenger of blood according to these judgments: