In the breakfast table scene, two different newspapers with the headline "Show Girl Murdered" are used, as in the close-ups of the newspaper the photo of the girl shows her dressed in a dark frock with her arms by her side, but in the medium shots throughout the rest of the scene, the newspaper photo of the girl shows her dressed in a light frock with her right hand on her hip.
Although the story's final twist is clever and satisfying, it would probably backfire, since it's been established that secured in a safety deposit box is a potentially incriminating tape recording, which would very likely be discovered - a fact that George seems not to consider before making his phone call.