International Bank of Commerce IBC BANK Suspicious activity with changes to debits and credits showing negative balance on acct for several transaction that have already been posted and cleared. Have no idea what is going on. Oklahoma City Oklahoma

Suspicious activity, with changes to debits and credits showing negative balance on acct for several transaction that have already been posted and cleared. Have no idea what is going on. I have come across this at intermittent times in acct activity. They appear to be rearranging or manipulating it for some reason unknown. I don't know what is happening it is not something normal and small amount of funds missing please if you have any information or investigations about this practice please inform me. Thank you, C.Cunningham