Julian Sands disappeared in Yosemite I think. David Paulides covered his story on the CanAm Missing 411. Alot of people have never been found in Yosemite.
Creepy stuff.
Julian Sands disappeared while hiking Mount Baldy in the San Gabriel mountains, as did this woman who filmed her video before slipping down the mountain: https://nypost.com/2023/01/11/hiker-crystal-gonzalez-landas-dies-after-fall-from-icy-mountain/