In 1958, the Martin Family disappeared while searching for some greenery for Christmas decorations. The bodies of two of the daughters were recovered, but three bodies are still missing. And some evidence suggests foul play. What happened to this family?
https://en.wikipedia.org/wiki/Martin_family_disappearance
https://www.koin.com/news/martin-familys-1958-disappearance-remains-a-mystery/
https://charleyproject.org/case/kenneth-r-martin
https://charleyproject.org/case/barbara-jean-martin
https://charleyproject.org/case/barbara-martin
https://www.findagrave.com/memorial/72586383/donald-kenneth-martin