Gotham Girls - Season 3 Episode 9 Signal Fires

Detective Reesdale assumes Barbara has the Commissioner’s permission and gives her the "grand tour" of the vault. Reesdale lets slip some information that disturbs her. Barbara secretly steals some of the evidence confiscated from Mr. Freeze and slips away. In the glare of the Bat-Signal, Barbara confronts her father. When he insists he has incontrovertible evidence implicating Batgirl, Barbara’s fears are realized. Her eyes turn to steel. She forces the Commissioner into the Batsignal and to certain death. What’s wrong with this picture?