A gripping true crime documentary, "The Day My Mother Vanished," follows Nicki Bates' decades-long journey to find her missing mother's killer. This full episode features exclusive interviews and reveals the intense, multi-year manhunt for William Greer, nicknamed "Operation Catch A Toe." Then, join 48 Hours' Peter Van Sant and Judy Rybak for a post-mortem discussion of the case and the challenges they faced. Uncover the shocking truth behind a mother's disappearance and the relentless pursuit of justice.