Horrific moment Karmelo Anthony stabbed Austin Metcalf shown in new surveillance footage

The stadium was supposed to echo with cheers, not screams. One second, teenagers huddled under a yellow tent, talking trash about races and times. The next, a chest wound, a collapse, a twin brother watching his other half die on metal bleachers. As the killer bolts from the frame, everything these families thought they knew about safety, school, and continue reading …