A Collin County jury convicted Karmelo Anthony of murder for the fatal stabbing of Austin Metcalf during a high school track meet [1, 2, 3].

The verdict concludes a legal battle over a violent incident that occurred at a student athletic event, raising concerns about safety and conflict between rival school teams.

The incident took place at a Frisco ISD high school track meet in Frisco, Texas [1, 4]. The victim, Austin Metcalf, was 17 years old [2] and a track athlete from a rival team [2].

During the trial, Anthony presented a claim of self-defense to justify the attack [4]. However, the jury rejected this argument and found him guilty of murder [4].

The stabbing occurred in 2025 [4]. Following the conviction, a judge sentenced Anthony to 35 years in prison [5].

Court documents and testimony focused on the events leading up to the stabbing in Collin County [1, 4]. The proceedings highlighted the tension between the competing athletes before the fatal encounter [2].

A Collin County jury convicted Karmelo Anthony of murder

The conviction and significant prison sentence reflect the court's rejection of self-defense claims in a high-profile case of school-related violence. By sentencing the defendant to 35 years, the judicial system in Collin County has signaled a zero-tolerance approach to lethal violence occurring within the context of sanctioned educational and athletic events.