Dyatlov Pass. The missile theory could not be debunked.
An unsuccessful attempt to refute the missile theory by Elena Dmitrievskaya, one of the authors of the theory of the "ritual murder" by the Mansi people of Igor Dyatlov's group, who died in 1959 near Mount Otorten.
Link to the author's channel:
/ @ПеревалДятловаДискуссии