***No one has ever been charged with any crimes relating to Susan Klungness's death or Jeffrey's disappearance.***
Sources:
Seattle Times Article - https://archive.seattletimes.com/archive/?date=19960306&slug=2317555
Charley Project - https://charleyproject.org/case/jeffrey-allen-klungness
Medium.com Article - https://medium.com/true-crime-by-cat-leigh/man-returns-home-to-find-wife-murdered-and-son-missing-f0f9834eaeee
