Fearing for his life, Harry Houdini leaves secret codes with his loved ones, promising to use them in any post-mortem messaging. In 1926, Houdini's death shocks the world, but the news that follows is even more astounding. A report of the impossible: contact has been made. For a full list of sources, see the show notes at timharford.com. Get ad-free episodes, plus an exclusive monthly bonus episode, to Cautionary Tales by subscribing to Pushkin+ on Apple Podcasts or Pushkin.fm. Pushkin+ subscribers can access ad-free episodes, full audiobooks exclusive binges, and bonus content for all Pushkin shows. Subscribe on Apple: apple.co/pushkinSubscribe on Pushkin: pushkin.fm/plusSee omnystudio.com/listener for privacy information.