Madison Bell tells her mom she is headed to the tanning bed, but she doesn't make it. Her car is found, keys and phone inside, across the street from her destination, in a church parking lot. What happened to Maddie Bell?Joining Nancy Grace today:Melissa Bell - Mother of MaddieCody Mann - Boyfriend of Maddie Emily Nestor -Crime Reporter, Host of Mile Marker 181James Shelnutt - 27 years Atlanta Metro Major Case detective, SWAT Officer, Attorney www.shelnuttlawfirm.comDr Daniel Bober - Forensic Psychiatrist, follow on Instagram at drdanielboberSheryl McCollum - Forensics Expert & Cold Case Investigative Research Institute Founder