I worked at a bank for a year just out of college.
Bank employees are prime targets for kidnap and ransom.
I agree that she did do a stupid thing, but I’m not sure firing her was correct. I guess it depends on whether or not she had received training by the bank regarding the security risk...
Not enough coffee yet, but I’m not clear as to how she put the bank or herself “at risk”, if she gave a personal $20 to the guy to help him. If it was bank money, that’s a different story...