Trivia / Poirot S 01 E 08 The Incredible Theft

• Technology Marches On: Mayfield's plan was only successful because, at the time, it was exceedingly difficult for Mrs Vanderlyn to make a copy of the incriminating papers linking him to illegal arms sales to the Japanese. Nowadays, with scanners, photocopiers, and easy to use cameras, he would have no guarantee that she would not have a backup copy to release to the public if he did not cooperate.