[mindslight]

Yes, that is exactly what Bank of America used to do, including putting an overnight hold on cash given to a teller. Regardless of what the fine-print-nobody-reads said, it was "dark" and illegal and eventually stopped due to a class action lawsuit.

(One of) their current scam(s) has gotten a bit cleverer in that they don't actually break the law themselves but rather just induce their customers to commit check fraud - if you receive a check drawn on Bank of America and present it in person at one of their branches, they won't honor it for the full amount!