About the person that said that outsiders would not know how to stage the tent with skis underneath. It was Pyotr Bartolomey , he was asked to go on the hike but couldn't due to an internship. Pyotr was friends with Igor and many of the hikers , they had hiked together in previous years. In a 2019 interview he says this. ( May be translation errors and spelling mistakes)
About the prosecutor's office
— "On the eve of the prosecutors' departure to Ivdel to the Dyatlov Pass (to conduct an on-site inspection), you were summoned to the regional prosecutor's office. What did they ask about?"
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— "I was not questioned by Andrei Kuryakov (the Sverdlovsk prosecutor who gave a press conference about the start of a large-scale investigation into the death of the Dyatlov group — editor's note), but by his employees — young people, completely normal, sensible guys. They said that Moscow had instructed them to check three versions (avalanche, snow slab and hurricane), but, supposedly, they wanted to hear the opinions of different people, so that there would be no dissatisfaction later that someone was not heard. I feel that to some extent I shook them with my conversations — about the same Urakov. About the rearrangement of the tent (there is such a version — it was very actively discussed in Malakhov's programs, editor's note): I explained why this could not have happened.
I showed them photos of how we pitched this tent a year before, during the 1958 expedition to the Subpolar Urals. That's where we learned to do it. Since there were no spruce branches on the mountainside, and there was neither time nor energy to dig to the ground (to have a solid base for the tent), we came up with the idea of pitching it on skis. And if there were some people who allegedly killed the Dyatlov group in another place and then scattered the bodies on the slope, how could they have known our method of pitching the tent? And how could they have created the Dyatlov group's footprints?"
Now , interestingly, something I didn't know , on the 20th of January, there were meant to be eleven people going on the hike. I don't think the tent would have allowed 11 given its dimensions. In fact, the tent must have been awful with the hanging stove , I can't but help the tent must have been bigger than the reported dimensions.
It also seems clear that those who ended up on the hike came to be there by complete chance . There can have been no planning of a secret mission , several hikers had to pull out due to other commitments, I'm actually quite annoyed at this fact as I've wasted time thinking that Zolo was maybe put in for some reason.
I comfortably conclude that the group came together pretty randomly.