Numbers 35:22-24

Leeser(i) 22 But if he have pushed against him accidentally without enmity, or have cast upon him any thing without lying in wait, 23 Or with any stone wherewith a man may die, without seeing him, and he have let it fall upon him that he died; whereas he was not his enemy, and did not seek his harm: 24 Then shall the congregation judge between the slayer and the avenger of the blood according to these institutions;