Convicted wife killer Scott Peterson is asking an appeals court to set him free because of mistakes he argues were made by his trial lawyer Mark Geragos. Nancy Grace updates the Laci Peterson murder case with experts including Cold Case Research Institute director Sheryl McCollum, Atlanta juvenile judge & lawyer Ashley Willcott, New York psychologist Caryn Stark, RadarOnline.com reporter Alexis Tereszcuk, and Crime Stories reporter Robyn Walensky.