It was a warm summer day in Tennessee when 16-year-old Emma Walker was brutally murdered in her bedroom in November 2016. She was a popular high school student who was loved by her friends and family. Little did they know, Emma was living a double life that would eventually cost her life. Emma had been secretly seeing 18-year-old William Riley Gaul, a former football star at Knoxville Catholic High School. They had been seeing each other for several months, but kept it a secret due to their age difference. Emma's parents had no idea about the relationship and were unaware that their daughter was dating an older man. On the morning of November 21, 2016, William Riley Gaul broke into Emma's home and shot her in her bedroom. He then fled the scene. Her parents found her body later that day. The police immediately began an investigation into the murder. Through their investigation, they discovered that Emma had been keeping her relationship with William a secret. They also discovered that William had become increasingly possessive and jealous of Emma in the weeks leading up to her death. The police arrested William and charged him with first-