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b'Kristin Smart, a 19-year-old student at California Polytechnic State University, disappears after attending a campus party. She is still missing more than 20 years later, but now the prime suspect in the case Paul Flores and his father have been charged.\\xa0Flores maintains his innocence.\\n\\n\\n\\n\\nJoining Nancy Grace Today:Darryl\\xa0Cohen - Former Assistant District Attorney, Fulton County, Georgia, Defense Attorney, Cohen, Cooper, Estep, & Allen, LLC, www.ccealaw.comDr.\\xa0Angela\\xa0Arnold - Psychiatrist, Atlanta GA www.angelaarnoldmd.com\\xa0Sheryl\\xa0McCollum\\xa0- Forensic Expert & Cold Case Investigative Research Institute Founder, ColdCaseCrimes.orgJennifer Dzikowski - Investigative Freelance Journalist'