{"podcast":{"title":"Echoes of the Unknown","slug":"echoes-of-the-unknown-7231698","podcast_index_feed_id":7231698,"rss_url":"https://feed.podbean.com/echoesoftheunknownpodcast/feed.xml","website_url":"https://echoesoftheunknownpodcast.podbean.com","image_url":"https://pbcdn1.podbean.com/imglogo/image-logo/20337338/Echoes_of_the_Unknown_image_FINAL_VERSION9mxuv.jpeg","author":"echoesoftheunknownpodcast","episode_count":70,"summary":"The podcast that explores the world’s most fascinating unsolved mysteries — true crime cases, unexplained disappearances, and strange phenomena that still defy explanation. New episodes weekly. Subscribe and step into the unknown.","last_synced_at":"2026-06-16T22:19:57.289263+00:00","page_url":"https://stenobird.com/podcast/echoes-of-the-unknown-7231698"},"episode":{"title":"The Lead Masks Mystery: The Dead Men on Morro do Vintém","slug":"the-lead-masks-mystery-the-dead-men-on-morro-do-vint-m","published_at":"2026-05-05T11:51:15+00:00","page_url":"https://stenobird.com/podcast/echoes-of-the-unknown-7231698/the-lead-masks-mystery-the-dead-men-on-morro-do-vint-m","show_page_url":"https://stenobird.com/podcast/echoes-of-the-unknown-7231698","url":"https://echoesoftheunknownpodcast.podbean.com/e/the-lead-masks-mystery-the-dead-men-on-morro-do-vintem/","audio_url":"https://mcdn.podbean.com/mf/web/5qndfsp5jx29ry27/ElevenLabs_The_Lead_Masks_Mystery_The_Dead_Men_on_Morro_do_Vint_m_FINALbntep.mp3","summary":"In today's episode, we're traveling back to 1966, to a quiet hillside in Brazil, where two electronics technicians were found dead under strange circumstances. They had carried a bottle of water, a notebook, and a pair of masks made from sheets of lead. A cryptic note revealed they were supposed to swallow capsules, put on the masks, and wait. Decades later, investigators still don't know how they died ... or what they were waiting for.","meta_description":"In today's episode, we're traveling back to 1966, to a quiet hillside in Brazil, where two electronics technicians were found dead under strange circumsta…","key_points":[],"chapters":[],"topics":[],"duration_seconds":789,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/echoes-of-the-unknown-7231698/episodes/the-lead-masks-mystery-the-dead-men-on-morro-do-vint-m/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/echoes-of-the-unknown-7231698/the-lead-masks-mystery-the-dead-men-on-morro-do-vint-m.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}