The trial of Karmelo Anthony centered on whether he acted in self-defense when he fatally stabbed Austin Metcalf at a Frisco ISD track meet in 2025.

The 19-year-old has been charged with first-degree murder for the fatal stabbing of Austin Metcalf, 17, at a track meet in Frisco, Texas.

Testimony sheds light on why Karmelo Anthony attended the Frisco track meet and what happened moments before the fatal stabbing