14-12-2020 9:34 PM
I'm sorry, but your question is so confusing that I can't even attempt to answer.
It isn't even clear whether you are the seller or the buyer?
What do you mean by "fraudulent purchases"? Or if you're the buyer, do you mean fraudulent sales?
Sellers can't delete items after a sale, or refuse to refund if the buyer follows the correct procedures.
Could you try to explain exactly what has happened, and remember that we can't offer advice on multiple transactions unless the circumstances are the same.