The family of missing Iowa college student Mollie Tibbetts is offering a $30,000 reward for information that leads police to the 20-year-old woman. Nancy Grace updates the investigation with Theresa Payton, the CEO of the security consulting company Fortalice Solutions. She is also joined by lawyer and psychologist Dr. Brian Russell, private investigator Vincent Hill, forensics expert Karen Smith, lawyer Ashley Willcott, and CrimeOnline.com reporter Leigh Egan. Alan Duke shares what he's learned about Los Angeles police shooting to death a homeless woman who was being held hostage by a man at a church. The LAPD released body cam video of the tragic incident that sheds light on the tough decision cops had to make as the man began slicing his hostage's throat.