Disappointing transactional ***** case handling

I lodged a transactional ***** case with standard bank on 31/08/2021. I was told to get a police case number and an affidavit, I did exactly that and sent everything to them. I tried following up with them everyday but they couldn't give me any tangible feedback. I kept on asking for feedback till they sent me an email saying "Good day Rhandzu

Thank you for bringing this matter to our attention ,please be advised that all funds has been utilised , no funds available to be claim" from the recipient's account. My question is - How did they let that happen? Shouldn't they have blocked the accounts/funds while they do the investigations? because the funds were still available at the time that I lodged the complaint. did they even do any investigation? This is the reason why these ********** bank with standard bank. I am very disappointed as a standard bank client. They do not take the transactional ***** cases serious tbh