Austin Metcalf was supposed to graduate this year. Instead, he is in a casket and has left a wave of heartbreak following his tragic murder at the hands of Karmelo Anthony. Metcalf was posthumously honored during Memorial High School’s graduation ceremony in Frisco, Texas. His identical twin brother, Hunter, accepted the diploma on his behalf. Footage of the moment has since emerged. A video shows Hunter Metcalf receiving his diploma on stage. Then he returned to the stage to get his brother’s as well. Once Austin Metcalf’s name was announced, the crowd delivered a rousing standing ovation that lasted 30...