My elderly in-laws were contacted by someone prete...

My elderly in-laws were contacted by someone pretending to be their mutual. At the end of their exchange, they received an email, a priori "a contract". A priori because they did not open the email. Understanding later that they had been the victim of a scam, the broker having asked for the account number, they opposed the bank in order to reject any withdrawals. And now that these levies have been rejected, this company sends threatening emails and increases the levies by 15 euros. A complaint was obviously lodged with the gendarmerie for abuse of weakness.