February 1959. Nine experienced Soviet hikers enter the Ural Mountains. Their tent is found slashed open from the inside. The bodies are scattered across the snow — some barefoot, some with injuries a forensic doctor compared to a car crash, with no car. Some clothing is radioactive. And multiple independent witnesses reported glowing orange orbs in the sky above the mountain that night — testimony the lead investigator later said he was ordered by the Communist Party to destroy.

Russia says it was an avalanche. We're not so sure.

This week: the Dyatlov Pass. The Menk. The orbs. The coverup. All of it.

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Sources:

• DyatlovPass.com (by Teodora Hadjiyska and Igor Pavlov) The most comprehensive independent archive: translated case files, diaries, photos, maps, autopsies, and timelines from the original Soviet investigation. It's the go-to for raw primary sources. Link: https://dyatlovpass.com/
• Dead Mountain: The Untold True Story of the Dyatlov Pass Incident by Donnie Eichar (2013) A highly regarded nonfiction bestseller with access to journals, photos, interviews (including survivor Yuri Yudin), and the author's own trek to the site. Balanced and narrative-driven—great for storytelling. Widely available on Amazon/Barnes & Noble.
• "Has an Old Soviet Mystery at Last Been Solved?" by Douglas Preston (The New Yorker, May 2021) Excellent long-form article covering the history, theories, and the 2019-2020 Russian reopening/avalanche conclusion. Thoughtful and well-sourced. Link: https://www.newyorker.com/magazine/2021/05/17/has-an-old-soviet-mystery-at-last-been-solved
• 2020 Russian Prosecutor-General's Office Conclusion Official ruling after the 2019 reopening: death due to a slab avalanche forcing the hikers to flee, followed by hypothermia. Announced by Andrey Kuryakov (summarized in Wikipedia and many reports). Ties into the scientific modeling from Swiss researchers (Gaume & Puzrin, 2021 Nature study). For details: Wikipedia entry on Dyatlov Pass incident (well-footnoted) or cross-reference with dyatlovpass.com case files.
• BBC Interactive Feature: "The Mystery of Dyatlov Pass" Solid overview with diaries, letters, photos, and interviews—includes perspectives from Russian authors/books on the case. Good for visual/multimedia elements. Link: https://www.bbc.co.uk/news/extra/SoLiOdJyCK/mystery_of_dyatlov_pass