A teen has been found guilty of murder over the fatal stabbing of another teen at a high school track meet last year.
Karmelo Anthony, 19, was indicted on first-degree murder in the fatal stabbing of 17-year-old Austin Metcalf at a track meet in Frisco, Texas, in April 2025.
Prosecutors called the stabbing “senseless” and “plain and simple murder,” while the defense argued that Anthony acted in self-defense…