Visible crew/equipment: When George leaves the room after receiving the phone call from Kathy's mother, a boom mike dips into view, reflected in the large ornate mirror at the head of the bed. (00:14:50)
Visible crew/equipment: When Kathy is bringing in the groceries and she asks George where Chelsea is, they run outside to look for her. As the scene goes along it pans past the truck and you can see the reflection of the camera in the truck.






Suggested correction: While this is true in the original novel, the writers chose to change it to the DeFeo's daughter's name in the movie. Creative license doesn't count as a mistake.
Torie White
Except that this is based on the real-life incident of the DeFeo family. This entry is not applied to the novel.