IBC Bank review: They stole my financial aid

I went to school at stc mcallen I opened a bank account with ibc and few months later my financial aid kicked in my account a few days passed I was negative 2000 I called and even went to branch in weslaco and walmart and nothing telling me someone was making disputes in my bank account when I didnt and they even tried getting a collection agency to threaten me to pay back money they stole from me