Karen Gray IBR International Business Relations LLC Internet "Purchasing Position" scam Internet

I was contacted by Karen Gray of International Business Relations and informed that I had been selected to be a Procurement Specialist in a new office for the Swiss company that was opening in NY. After reviewing their very sophisticated documentation and running a number of security checks - and being unemployed - I took the job. They pay off your credit cards with 3rd party bank transactions and then after the money is posted to your cards, they give you a shopping list of items to buy and ship overseas - to Russia in this case - and after the product is shipped, they withdraw the funds telling the credit cards that the transfers to your credit cards were "not approved"  They got me for a 5-figure amount plus the commissions and salary they never paid to me. The credit cards are telling me this is not credit card fraud or subject to the zero dollar fraud protection so it appears I am out the money. I have contacted the FBI (IC3.gov), The FTC (econsumer.gov), Interpol's Internet Crimes div. and anyone else who would listen to no avail. Is there no legal remedy for this?