I think you should be contacting local lawyers that work in civil litigation or collection type matters and see what can be done. You situation is very unique and will require a nuanced approach.
You can search for a lawyer here on Avvo by going to the "find a lawyer" tab on the tool bar. If you cannot find anyone here that suits you you can try:
Most of us here, including myself, offer a free phone consult.
The law firm of Natoli-Lapin, LLC (Home of Lantern Legal Services) offers our flat-rate legal services in the areas of business law and intellectual property to entrepreneurs, small-to-medium size businesses, independent inventors and artists across the nation and abroad. Feel free to call for a free phone consultation; your inquiries are always welcome:
DISCLAIMER: this is not intended to be specific legal advice and should not be relied upon as such. No attorney-client relationship is formed on the basis of this posting.