I hate to be a dick, but is it asking too much for people who are evaluating why this case was never solved to read even just Chapter 9 of Guarded by Jackals, free at this link (scroll down to “Preview”):
Buried Truth: A Michigan Mystery
This new podcast details the investigation by sisters Sarah Blaxon and Helen Mazari into the 1973 death of their cousin Ricky in 1973. They were encouraged and assisted in the project by Helen’s daughter, Alex. Sarah and Alex co-host the podcast.
The pod will detail the efforts a family has undertaken to get answers in the face of secrecy and painful circumstances surrounding Ricky’s death.
The trailer and first main episode can be found here:
https://buried-truth.pinecast.co/
BURIED TRUTH is an 8-part series. Until the end of March, episodes will be released weekly on Tuesdays.