A South Carolina couple charged with killing four people, are also suspects in a fifth murder. Another person survived being shot. Tyler Terry and Adrienne Simpson both in custody after their multi-state crime spree. One of the victim's is Simpson's ex-husband. Joining Nancy Grace today:Darryl Cohen - Former Assistant District Attorney, Fulton County, Georgia, Defense Attorney, Cohen, Cooper, Estep, & Allen, LLC, www.ccealaw.comDr. Jorey Krawczyn [KRAW-ZIN] - Police Psychologist, Adjunct Faculty with Saint Leo University; Research Consultant with Blue Wall Institute, Author: Operation S.O.S. - Practical Recommendations to Help “Stop Officer Suicide” (July 2021) bw-institute.comDr. Priya Banerjee, M.D. [BANNER-JEE] - Board Certified Forensic Pathologist, Anchor Forensic Pathology Consulting, Assistant Medical ExaminerLenny DePaul - Former Chief Inspector / Commander, U. S. Marshal Service, odark30.comKristi O'Connor - Reporter/Anchor, WBTV News in Charlotte, NC, WBTV.com, Twitter: @KristiOConnor