Look there are good and bad companies out there to assist in the visa application process. I lost some money with one of the bad ones. Rapid visa is a legitimate company that will get you through the bureaucracy of getting your fiance a visa. Worth every penny. Highly recommend.
Disclaimer: The information herein is not intended as legal advice and is provided for general information only.Questions involving interpretation of specific U.S. laws should be addressed to an attorney and/or government officials.