Additional information on the accident is now available. The Eureka County Sheriff issued this notice:

The Sheriff’s Office determined his cause of death as multiple blunt force trauma due to a high-elevation fall.
https://www.reviewjournal.com/local/...ficials%20said.
The Sheriff, Jesse Watts, refused to give any further details, citing a request by Johnston's family. However, members of the search team that recovered his body said Johnston did not deploy his emergency reserve chute. Barring suicide, he must have become incapacitated somehow. Hypoxia is high on the list, as it is doubtful they have supplemental oxygen.

These paragliders are notoriously unstable, as can be seen in this video:
https://www.youtube.com/watch?v=EUc-MJngQyg
This video has some pretty disturbing sequences at 1:00 and 1:30 of the wings collapsing with the pilots entangled. An attempted emergency chute deployment is at 23:16.

Hypoxia is high on the list, as it is doubtful they have supplemental oxygen.
If you look closely at one of the photos showing the now deceased pilot, he is wearing an oxy-miser canula under his helmet, so I would say that he has supplemental O2 in his rig somewhere.

Uli
'AS'