The Lewis Clark Valley murders refer to a cluster of unsolved murders and disappearances that occurred in the Lewiston-Clarkston metropolitan area of northern Idaho between 1979 and 1982. Law enforcement investigators have identified four victims and possibly a fifth that are connected to a single, unnamed suspect.

Resources for this episode:

https://en.wikipedia.org/wiki/Lewis_Clark_Valley_murders

https://www.trailwentcold.com/2019/10/30/the-trail-went-cold-episode-147-the-lewis-clark-valley-murders/