Standard bank *****s 53k from account

My daughters standard bank account has been on hold for six months. After months of no communication an investigator finally contacted her and asked her to verify the sales in question.She provided the proof but has since been locked out of her app and has not had any feedback from the investigator.She was however informed by a consultant that standard bank will be keeping her money(R53000)and she cannot get it back.Money that she worked for.Please help.