Episode 85 The Death of Sharon Williams and the Disappearance of Walter Notheis

Episode 85 is about the death of Sharon Williams and the disappearance of Walter Notheis.  Sharon Williams was a mother of 2 grown sons that died in what seemingly was a tragic car accident.  But St. Louis County Deputy Cokeland knew this wasn't just a normal accident.  Three years after the case was solved, he reached out to the New St Louis County medical examiner to reexamine the case.  Dr. Mary Case WAS ON THE CASE.  Two months after Sharon William's disappearance a man in the same town, Walter Notheis went missing.  It turns out that there was a link between his disappearance and her death, but what was it?