The phrase is a 2021 documentary directed by Liam Le Guillou that investigates the Dyatlov Pass Incident , one of Russia's most enduring unsolved mysteries. The title is taken directly from the 1959 Soviet investigation's official conclusion, which stated the hikers died due to an "unknown compelling force". The Documentary Features
The documentary and general research into the incident often highlight several "compelling" but eerie images: An Unknown Compelling Force image
: The film includes interviews with Russian investigators, journalists, and friends of the original hikers, as well as U.S. experts like a former FBI agent and a coroner. The phrase is a 2021 documentary directed by