Exodus 21:29

But if the ox has tried to gore on a previous occasion, and its owner has been warned, but has not kept it confined and it kills a man or a woman, the ox shall be stoned and its owner shall be put to death as well.

Deuteronomy 21:1-9

“If someone is found slain, lying in the field, in the land which the Lord your God gives you to possess, and it is not known who has killed 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 someone is found slain, lying in the field, in the land which the Lord your God gives you to possess, and it is not known who has killed him,

General references

Exodus 20:13
“You shall not commit murder (unjustified, deliberate homicide).
Exodus 21:34
the owner of the pit shall make restitution; he shall give money to the animal’s owner, but the dead [animal] shall be his.