A tragic altercation at a Frisco, Texas, high school track meet left 17-year-old Austin Metcalf dead after a confrontation with another student, Karmelo Anthony. What Happened:

• Austin, a standout student-athlete, asked Anthony—a visitor from another school—to move from his team’s tent.
• Witnesses say Anthony responded, “Make me move,” before warning, “Touch me and see what happens.”
• When Austin pushed him, Anthony allegedly pulled a knife and stabbed him in the chest. Despite his twin brother’s efforts to save him,