Dive into the shocking story of Billie Sol Estes and the empty grain silos in Texas. When Agriculture Department investigator Henry Marshall discovered the scam, he refused to be bought off. Lyndon B. Johnson's ruthless response led to Marshall's tragic and suspicious death. Join Eric Hunley and Mark Groubert as they uncover the dark truths behind this mysterious case. #AmericasUntoldStories #EricHunley #MarkGroubert #BillieSolEstes #HenryMarshall #LyndonBJohnson #TrueCrime #HistoricalMysteries #ConspiracyTheories #AgricultureScandal