A Collin County jury rejected Karmelo Anthony’s self-defense argument in the fatal stabbing of Austin Metcalf, despite public debate over the size difference between the two teenagers. The decision showed that jurors were not convinced that Anthony reasonably faced the kind of immediate serious danger required to justify deadly force.
Anthony, now 19, was convicted of murder and sentenced to 35 years in prison after the April 2, 2025 confrontation at a high school track meet in Frisco, Texas. His defense had argued that he was smaller, seated, and reacting out of fear during a tense exchange under a crowded team tent.
The size difference between Anthony and Metcalf became one of the most discussed parts of the case. Metcalf was described as about 6 feet tall and around 200 pounds, while Anthony was listed at about 5 feet 11 inches and roughly 162 pounds. But prosecutors argued that size alone did not meet the legal standard for using a knife.
During the trial, witnesses testified that Anthony had been asked to leave another school’s tent before the confrontation escalated. Several students also said he warned Metcalf with words similar to “touch me and see what happens” while keeping his hand near or inside his backpack.
That testimony appeared to become a major problem for the defense. Instead of seeing Anthony as someone simply afraid in the moment, jurors appeared to accept the prosecution’s argument that his behavior helped escalate the situation before the stabbing happened.
The confrontation reportedly became physical when Metcalf pushed Anthony once. Prosecutors argued that a single shove did not create a reasonable fear of imminent death or serious injury, especially when Anthony still had opportunities to leave or avoid making the situation worse.
Anthony admitted that he stabbed Metcalf but maintained that he acted in self-defense. Metcalf was stabbed once in the chest with a folding knife and later died from the injury, turning what began as a dispute under a tent into a case that drew national attention.
After roughly three hours of deliberation, the jury found Anthony guilty of murder. Jurors also rejected a “sudden passion” argument during sentencing, which could have lowered the punishment range if they believed the stabbing happened in the heat of the moment without time for calm reflection.
Anthony filed a notice of appeal shortly after sentencing and asked for court-appointed counsel, describing himself as unable to afford legal representation. Because murder convictions in Texas do not allow bond during appeal, he is expected to remain in custody while the process moves forward.
The case continues to fuel debate over self-defense, youth violence, jury selection, and how quickly a confrontation can turn deadly. But the jury’s decision made one thing clear: the size difference was not enough to overcome the testimony that Anthony had warned Metcalf, kept access to a knife, and used deadly force after a brief physical exchange.
