'Hotel For Dogs' creator's daughter gunned down in unsolved mystery murder

Kaitlyn Arquette, daughter of author Lois Duncan, was killed driving to a friend's home by someone chasing her. Shots from the pursuing vehicle hit Arquette twice in the head. Yet the shooter has never been found. The case has been dubbed a random drive-by shooting. Nancy Grace and her panel look at facts that make this case much more sinister. Joining Nancy Grace at CRIME CON, Kaitlyn's sister Carrie Arquette, Detective Christine Mannina with the Indianapolis Police Department, Director of the Cold Case Investigative Research Institute Sheryl McCollum, Judge Ashley Wilcott and Ellen Killoran Crimeonline.com Investigative Reporter.