Continuity mistake: When the little girl goes to the lunch wagon you see a bottle of apple juice behind her shoulder. When she walks away the bottle has been slightly turned and see can see more of the label.
Continuity mistake: When the head of security is tied up the lady with the brass knuckles ripes duct tape off his mouth and puts it back, you see where it goes back and forth from secure to loose and secure again.
Continuity mistake: When Ms. Horney sits on top of the counter she takes off a security hat that she just took from the female security guard. She sits it beside her and the hat is facing the camera. The next shot it is facing sideways.