Plot hole: David couldn't have seen Sutherland's photos because Sutherland hadn't had time to develop them yet. Even if he did, it would have been difficult to find a lab that wouldn't turn him in as a spy. Overall, it would have been much safer to have the film processed in Germany.
Eye of the Needle (1981)
1 plot hole
Directed by: Richard Marquand
Starring: Donald Sutherland, Kate Nelligan, Stephen MacKenna, Philip Martin Brown
Visible crew/equipment: After Faber has hitched a ride (when his motorcycle failed,) the driver pulls over to let him out. As the car pulls away from Faber you can see a crew member in a blue vest type coat reflected in the passing car window.