Beautiful Utah college student, Mackenzie Lueck, takes a Lyft to a park in the middle of the night. She allegedly meets a mystery person, gets into their car, and vanishes.AndThe lawyer for the husband of missing Connecticut mother of five, Jennifer Dulos, claims she wrote a 'gone girl' style novel, and implies she may have disappeared on her own.Nancy's Expert Panel Weighs in:Joseph Scott Morgan: Forensics ExpertWendy Patrick:   Trial Attorney John Cardillo:  Former NYPDDavid Mack:  Syndicated Radio HostAlexis Tereszcuk: Radaronline Editor