{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/02fbb519-6d48-4b2d-b36e-cc6cac277064/68ed8d1bf30b8c4f910297e6?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Postage Due: The Circleville  Letter Mystery ","description":"<p>When the residents of a small Ohio town started receiving strange and threatening letters in the 1970s, it started a mystery that continues to this day. </p>","author_name":"Tim Scott, Charles Walters and Brandy Herrmann"}