PNC Bank Bank Account Or Service Complaint

PNC Bank Bank account or service department,

Checking account Deposits and withdrawals Ohio

Recently in -/-/- of this year we realized that we had been defrauded by a book keeper in our office. We intermediately filed a police report and pressed charges. From there we went to the banks and told them what happened and provided detailed information about the amounts, check # 's, dates ... .everything they needed to start their investigation. TODAY I received a letter that they have DENIED my claim and will not be helping me whatsoever recover any of this money. I thought this money was FDIC insured? Please help me..we are a small business with less than - employees and are at risk of shutting down as a result of this massive theft. The amount stolen was over $80000.00. PNC Bank could have helped us recover up to $50000.00 of this money but they have chosen to flat out reject my claims based on typical bank stuff.