Exodus 21:29

But if the ox were accustomed to gore with its horn in time past, and it has been testified to its owner, and he has not kept it in, but that it has killed a man or a woman; the ox shall be stoned, and its owner also shall be put to death.

Deuteronomy 21:1-9

If one be found slain in the land which the LORD your God gives you to possess, lying in the field, and it is not known who has slain him:

Treasury of Scripture Knowledge

Summary

But if the ox were wont to push with his horn in time past, and it hath been testified to his owner, and he hath not kept him in, but that he hath killed a man or a woman; the ox shall be stoned, and his owner also shall be put to death.

His owner also

General references

Bible References

His owner also

Deuteronomy 21:1
If one be found slain in the land which the LORD your God gives you to possess, lying in the field, and it is not known who has slain him:

General references

Exodus 20:13
You shall not kill.
Exodus 21:34
The owner of the pit shall make it good, and give money unto the owner of them; and the dead beast shall be his.