Woman home alone stabbed, sex assaulted, left in bathtub of water. Who murdered Socialite Kay Thomasson?

Atlanta socialite Kay Thomasson is brutally stabbed in the neck in her own home. Her murder remains unsolved after nearly a year. With Nancy Grace today putting together the details is Former Assistant District Attorney Darryl Cohen. Medical examiner Dr. Tim Gallagher, Crime Scene Analyst Laura Pettler and Crime Online reporter John Lemley.