Daily Historic Events on Instagram: "In November 2016, 16-year-old high school cheerleader Emma Walker was found dead in her bedroom in Knoxville, Tennessee. Her parents discovered her unresponsive after hearing what they thought was a loud noise overnight. A single bullet had pierced the wall beside her bed and entered behind her left ear while she slept. Detectives quickly determined the shot had been fired from outside the house through her bedroom wall. Investigators learned Emma had recentl