Numbers 35:22-24

KJ2000(i) 22 But if he pushes him suddenly without enmity, or has cast upon him anything without lying in wait, 23 Or used any stone, by which a man may die, seeing him not, and cast it upon him, that he dies, and was not his enemy, neither sought his harm: 24 Then the congregation shall judge between the slayer and the avenger of blood according to these judgments: