Depending on the facts of the case they could indeed be convicted of a crime.

There was a infamous case recently where a woman was convicted of criminally negligent homicide due to owning a dangerous dog that killed a kid.

https://www.mcda.us/index.php/news/portland-area-woman-convi...

Owning a dog that has been trained to bite intrudes is a significant responsibility and owning such a dog without taking the correct precautions is criminal.