Standard Bank ignores clients whose funds they have lost

Customer service at Standard Bank is horrific. They simply ignore customers, even with a matter as serious as missing funds. I have emailed the deceased estates department on several occasions over the last week and a half to try to find out where the funds meant to be in the deceased estate account for my late father;'s estate are (the account is empty - where are the funds from my late father's account that were meant to be transferred to it?), they don't even bother to respond, except with an auto-response telling you that the portal is down and you should email them! I had called the number for deceased estates, and was on hold for 25 minutes before I gave up. I also logged a complaint with SB complaints last week Tuesday, I have received no feedback, despite several emails on Friday and yesterday to Johanna Kele to follow up on my complaint. This lack of customer service is simply unacceptable. I consider a bank refusing to respond to clients on the location of their funds to be theft. This is not the first time I have had this experience, previously SB 'lost' the funds I had deposited in a fixed deposit account with them.