On July 6, 2012, 16-year-old Skylar Neese was stabbed to death by her two best friends, Shelia Eddy and Rachel Shoaf. Six months later, Rachel confessed to police and led them to Skylar’s remains. Sheilia continued to plead not guilty -- until January 2014, when she finally admitted her part in the brutal murder. Both teens claimed they killed Skylar because they “didn’t want to be friends with her anymore” -- but was that their real motive? And, who was the mastermind behind the plot? Dr. Phil sits down with Sklylar’s parents, Dave and Mary, who say they’re struggling to comprehend what happened to their little girl. How can they heal after such a horrific tragedy? And, how could Shelia -- who had been friends with Skylar since she was 8 -- and Rachel commit such a heinous crime? Hear from Shelia’s cousin, who says Shelia isn’t the monster that people say she is. And, friends of Rachel’s family weigh in. Were there any red flags they say they missed? Then, a close friend of Shelia and