directexpress card scamed and no help tennessee Internet

I am a disabled 67 year old woman how only lives on 733.00 monthly and use the goverment Direct Express Card and had 139.25 dollars left on my card march 6th 2015 and was riped off off all my moneys I called the Direct Express card and said because they are a debit card they cant stop the fuard purchased from london country ? I said you know I live in TN. no way did I go to pizzia hut or any place else all in one day several state purchase;s  were done on my card over internet and all I recieved from direct express sorry you were scamed? I now have no money for food this month and was told they would send me a new card and papers to file fraud report but now 6 days later still nothing. sad this is a goverment card and its my fault lossing my money I didnt lose my card this was done solely over internet. please help me recover my money

eleanor