Part Three What started out as a search and rescue effort soon turned into a serious investigation into the tragic and untimely deaths of nine young souls. There were many aspects of the case which were highly mysterious and seemed to suggest some sort of foul play. But by who? Or what? In the concluding part of our Dyatlov Pass series, we examine the theories surrounding what happened on that fateful night back in February of 1959 - theories which range from the mundane to the truly extreme. MUSIC  Tracks used by kind permission of Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 Tracks used by kind permission of CO.AG Learn more about your ad choices. Visit megaphone.fm/adchoices