Don Kemp went missing in 1982 while moving to Wyoming. His remains were found 4 years later near his abandoned car, but how he ended up there is still a mystery.
https://dungherder.wordpress.com/2020/11/19/10-unbelievable-unsolved-wyoming-murders/
https://unsolvedmysteries.fandom.com/wiki/Donald_Kemp
https://www.ranker.com/list/don-kemp-mystery/melissa-brinks
https://www.grunge.com/800983/the-unusual-death-of-don-kemp/
https://en.wikipedia.org/wiki/Death_of_Don_Kemp
https://mysteriousuniverse.org/2017/06/the-very-weird-vanishing-and-death-of-don-kemp/