Article continues below advertisementFormer prosecutor Nancy Grace said that the disappearance of Nancy Guthrie, the 84-year-old mother of Today show host Savannah Guthrie, triggered visceral memories of the 1979 murder of her fiancé, Keith Griffin.The podcast host explained that watching Savannah express guilt and apologize to her mother during her Today show interview took her "right back to that moment" of raw, wordless grief following her fiancé's death.