Three charged in money laundering scheme stealing $30M from foreign banks
justice.gov
justice.gov
Wow! SOP everywhere I've been is to be supervised when you're opening the box, which has a cover on it. When you remove your box, then you can go alone to a room with your contents. You're never left alone in the vault where all the boxes are.
And yes, prudence dictates that insurance is required over safe deposit box contents if they are valuable; in the US at least the banks are almost universally not liable for securing the contents. (TFA is about banks in Europe.)
But regardless of policy, it really does not make a whole lot of sense to keep your cash in there. If you just deposit the cash at the counter it's insured through FDIC, in the box it's not.
It can hardly be called "sophisticated" or "impressive." And, it's not a scam since they didn't trick anyone into giving them anything of value, they lied to gain access to commit theft.