I agree. You could both be prosecuted, as well as it depends on whether the county you would flee to would have a treaty with the U.S. in regards to U.S. civil laws and them recorgnizing a judgmenet obtained agianst you in the U.S.
It sounds to me like this agency might have violated multiple rights of yours.
Feel free to contact my office on Monday, or sometime early next week. We can try to put you in touch with an attorney who can assist you in your area. In my opinion, not legal advice, you are entitled to max $1000.00 under the Fair Debt Collection Practices Act (FDCPA). This company should not get away with such misleading communications.
If you can prove you do not owe a debt stemming out of one, then yes, but there are many other factors at play, as the attorney who answered ahead of me hinted at. More facts are necessary, please contact a Consumer Protection Attorney in your state. I know a few good ones if you need assistance.
I agree with Attorney Wells and the other attorneys who have commented. Consult a consumer lawyer close to you. One thing of note is that you should check the car fax or a report from a similar company on the vehicle. It is possible that your vehicle was in an accident before purchase that was not disclosed to you. Definitely gather all documents relating to purchase and sale, and present them to a consumer attorney as soon as you are able. You should receive adequate restitution, and...