Payne Lindsey, whose podcast about the disappearance of Tara Grinstead is credited by many with helping to solve the cold case after more than a decade, is still digging into the the Georgia teacher’s murder. The “Up & Vanished” creator has new details about Ryan Alexander Duke, who was charged with assaulting and murdering Grinstead and then disposing of her body in a pecan orchard to conceal her death in 2005. He shares his latest findings with Nancy Grace in this episode.