Behavior constitutes a crime. If the behavior of the party concerned is suspected of violating the provisions of the criminal law and constitutes a criminal act, then the relevant authorities may file a case for investigation and deal with it as a criminal case.
The victim initiated criminal proceedings. If one party is suspected of committing a crime, the victim can file a criminal lawsuit with the relevant authorities. If the organ accepts a criminal complaint, it will file a case for investigation and treat it as a criminal case.
Public security organs intervene. In some cases, public security organs can intervene in civil cases and carry out investigations. If the investigation finds that the party concerned is suspected of committing a crime, it will be put on file for investigation and treated as a criminal case.
It should be noted that the conversion of civil cases into criminal cases involves many legal issues and is relatively complicated to handle, which requires the guidance and assistance of lawyers and other professionals.