Exodus 21:36

21:36 Or if it is known that the ox had the habit of goring, and its owner did not take the necessary precautions, he must surely pay ox for ox, and the dead animal will become his.

Exodus 21:29

21:29 But if the ox had the habit of goring, and its owner was warned, and he did not take the necessary precautions, and then it killed a man or a woman, the ox must be stoned and the man must be put to death.