Mysteries / Unsolved // Cold Cases

Cold Cases

Unsolved disappearances or deaths where the documentary record allows continued investigation.

ALSO KNOWN AS: Unsolved

Includes the Dyatlov Pass incident from 1959, the Sodder children case from 1945, the Somerton Man from 1948, and other cases with surviving primary documentation.

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CASE FILES

MY-26001 // Northern Urals, Sverdlovsk Oblast, Russia (Soviet Union)

Dyatlov Pass Incident

Nine experienced ski-hikers from the Ural Polytechnic Institute died under unexplained circumstances on the eastern slope of Kholat Syakhl in February 1959. The case was officially reopened by Russian authorities in 2019.

CONFIDENTIAL

CASE FILES

Dyatlov Pass Incident