People go missing without a trace far more commonly than any of us would like to think about. Of course the authorities will conduct a search, but even assuming they have the equipment and personnel necessary, the odds are often stacked against them. A few weeks go by, then months, and eventually there’s yet another “cold case” on the books and a family is left desperate for closure.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/06/28/solving-cold-cases-with-hacked-together-gear/