When Nancy tries to escape from the morgue and meets George, the bolt on the door between them is in the open position. When George is seen smashing the glass in the door, the bolt is locked. However, the bolt is open again when Nancy returns to the door.
At the police station, Nancy writes down the phone number on the red and white parts of her shirt. When she dials the phone number at Nick's place, the phone number is written only on the white part of her shirt.
Carson tells Nancy that Tiffany would have testified behind a screen to prevent Nick from learning her identity. This would never happen as it violates the Sixth Amendment which gives defendants the right to confront their accusers.
Carson tells Nancy that he used Ryan's retainer to post her bail. This is illegal and unethical. Lawyers are required to keep retainers in segregated accounts and are barred from using them for expenses not related to the client's case. But this only means that Carson would be willing to break the law to protect his daughter.