Often you cannot get such information until the investigation is completed. When did it occur and in what city?
This is not to be construed as legal advice. I do not have an attorney client relationship with you.
You should also file a report with Animal Control. You may even get a name from AC.
Unless and until you prove ownership of the dogs, you cannot bring the small claims action.
The foregoing is for general information purposes and does not establish an attorney-client relationship.