An investigation gone wrong - he actually caught on to the truth, which didn’t correspond with what the long-time ‘rat family of Mr. Rich wanted to hear....
If previous examples serve to suggest something then the Rich family bank account has received a questionably sourced and substantial infusion of funds. The Kopechnes experienced that phenomenon as did Mrs. Foster.
>>> ..... which didn’t correspond with what the long-time ‘rat family of Mr. Rich wanted to hear....
I can definitely believe that.
Was suspecting it all along.