Where nursing student Maura Murray went and what happened to the 21-year-old has been a mystery since a minor car crash on a winding road in New Hampshire’s White Mountains in February 2004. Maura's story has been the subject of a popular podcast, but now it gets the full investigative treatment with an Oxygen docuseries. Nancy Grace discusses the case with investigative journalist Maggie Freleng and former U.S. Marshall Art Roderick, the primary investigators in "The Disappearance of Maura Murray."