WANT MY MONEY FNB

I had two personal loans with FNB, which they are now paid off. I was handed to different attorneys by FNB, and mistakenly i deposited money into one of the closed accounts, i called FNB personal loans spoke to different consultants from February now is March, without any help. What i don't understand and frustrates me is that, FNB was able to hand me over to their different attorneys, now they cant assist me with tracking their account number, i even went to the FNB branch Boulders none of the consultant could help, i was told to call their ***** Department. i WANT MY MONEY BACK.