India, June 10 -- A Collin County jury on Tuesday sentenced 19-year-old Karmelo Anthony to 35 years in prison for the first-degree murder of 17-year-old Austin Metcalf, stabbed to death at a high school track meet in Frisco, Texas, last year.

Jurors deliberated for two-and-a-half hours before delivering the sentence, rejecting both Anthony's self-defense claim and a legal argument that could have reduced his exposure significantly.

Metcalf was a junior at Memorial High School in Frisco - a student-athlete with a 3.97 GPA who served as MVP linebacker of the football team and competed in track and field. He was stabbed once in the chest and died in the arms of his twin brother, Hunter, on April 2, 2025.

Anthony, a student at nearby Cente...