For starters, I wouldn't leave a teller by themselves when closing Drive-thru. They put a lot of pressure on the closing teller and at risk as well. I have never worked somewhere where just one person was left alone. Always a Supervisor should be with them. Reviewing applicants and seeing who their referrals are because there could be a conflict of interest or preference for someone who doesn't have the right qualities or skills for the right position. everyone should be treated with the same kind of importance.