Henry Mason taught his daughter the nessecity of keeping her temper in check. Diane knew there was no law requiring them to verify her I.D., so while she was making her threats Diane was looking around the bank memorizing the bank's layout and studying the security procedures. Her purpose was to get herself thrown out, she was going to make them pay for cheating her out of her own money. Someone had impersonated her well enough, to fool the bank's security procedures and she was going to find out how.
Security Perception