Keith Reinhard was a man in his late forties who decided to take a sabbatical to a small town in Colorado. While there, he learned of the story of a local man who disappeared and the mystery became his obsession. In an eerie turn of events he met the same fate as the man from that mystery.

Sources:

https://unsolvedmysteries.fandom.com/wiki/Keith_Reinhard

https://www.cbsnews.com/colorado/news/keith-reinhard-missing-man-cbi-cold-case/

https://unsolved.com/gallery/keith-reinhard/

https://www.darksidedoc.com/

https://apps.colorado.gov/apps/coldcase/casedetail.html?id=307

https://www.ericwalterdocs.com/journal/the-mysterious-disappearance-of-keith-reinhard