The father of a teen who was stabbed to death at a high school track meet has shared harrowing details of how his son looked right after he died. Jeff Metcalf rushed over to the David Kuykendall Stadium in Frisco after his son Austin, 17, was stabbed in the heart by a student from a different school, Karmelo Anthony, 17. He found his dying son in a gurney and saw a hole in his chest, with blood coating the teen's skin, the grieving father told The Dallas Morning News. Jeff said he knew his son was not breathing at that...