When the detectives cut open the padlock on the security gate, the find that the glass front door behind it is unlocked. Since the store was shown to obviously have been closed for many months, if not years, and the kidnappers are shown to have used the rear door for access, the front door should have been locked.
A courtroom scene takes place on Monday, September 3rd. That would be Labor Day, and the courts would not be open.
The duct tape gag on Katie Conlan's mouth has a patch of duct tape stuck to its underside so that only a thin edge of adhesive comes into contact with the actress's face.