In a long shot of a group of mobs rushing into the director's house, an image of a staff member was reflected on the window.
When Betty walked into the bedroom while talking to her aunt, she saw Rita. The latter was sitting at the end of the bed, and there were no towels on her right. When the camera switched to Betty and then to Rita, there was a red towel beside her. And the pillows seem to have been moved
In the scene where the culprit entered the director's room, the shadow of the staff was reflected through the glass.
When Adam left the meeting room and walked towards the luxury car, about to smash the windshield, the staff appeared in the rearview mirror of the car.
In the film, before Betty leaves the recording studio, a black car carrying two people in suits passes by the right side of the apartment building. In this scene, the staff is exposed on the rear windshield of the car.
When the police found the gun from the trunk of the car, they called the car "caddy" (), and the car at the time was a Lincoln car manufactured in 1980.
After Adam smashed the windshield of the car, the golf club mysteriously disappeared. When he finished the phone call and drove home, the golf club suddenly appeared again.
When Rita was walking after the accident, the scar on her right head disappeared and appeared again in the next shot. Although the blood is dry, the shape of the blood flowing through the camera is different every time.
When Betty went to see her aunt in the apartment building for the first time, she took off her coat outside, and there was no camera to tell her to go back and take the coat.
