Surveillance Video Shreds ‘Self-Defense’ Claim in Teen Stabbing [WATCH]

A Texas courtroom heard dramatic testimony Friday describing how a tense confrontation at a high school track meet turned deadly after teenage athlete Karmelo Anthony repeatedly ignored warnings to leave another team’s tent.

The witness described how the high schooler from Frisco Centennial refused to walk away despite being asked fifteen times before stabbing 17 year old Austin Metcalf of Frisco Memorial High School.

According to the testimony, Anthony showed up at the Memorial team’s tent during the track meet at Kuykendall Stadium in McKinney wearing the opposing school’s gear.

Several Memorial students noticed and told him he was in the wrong place.

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What started as mild annoyance among rival teens quickly became a fight that would leave one young man dead and another facing life in prison.

A 17 year old witness told jurors Anthony refused every request to leave.

The student said Anthony sat in their area with an open backpack in his lap right before the argument began.

“You probably shouldn’t be here, you need to leave our tent,” the witness recalled telling him along with other teammates.

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According to his account, Anthony finally responded with chilling defiance, saying, “Touch me and find out.”

In those brief moments, the tension broke into violence.

Austin Metcalf reportedly gave Anthony what was described as a minor push, and in response, Anthony pulled out a knife and stabbed him.

The stunned teammates thought Anthony had been bluffing about having a weapon moments before it happened.

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As witnesses screamed for help, Anthony fled toward the stands and then ran onto the track, leaving chaos behind him.

The terrified teen witnesses described seeing Metcalf bleeding heavily.

One recalled how Metcalf looked down at his chest, lifted his shirt, and said, “Oh my God,” as he realized the knife wound was severe.

That same witness placed the frantic 911 call played in court, warning the dispatcher, “My friend just got stabbed. My friend is bleeding everywhere.”

Another teammate, Jalen Matthews, now 18, testified that the argument lasted about two minutes before the stabbing.

He said Metcalf’s twin brother Hunter was nearby, distracted by his phone, expecting his sibling to handle the odd situation calmly.

Matthews recalled how one student teased that Anthony had “nothing in the backpack” because they assumed he was unarmed. Moments later, the horror erupted.

Matthews told jurors Anthony’s demeanor was distant and deliberate, saying the teen “clearly knew what he had his mind set on.”

Matthews stated that it did not appear to be self defense because Metcalf was not acting aggressively or threatening Anthony when the stabbing occurred.

Prosecutors argue that Anthony’s actions showed intent rather than panic.

Earlier in the trial, jurors were shown police body camera footage capturing Metcalf’s brother sobbing and screaming after the attack.

The painful scene left the courtroom silent. For many local families, the case has hit close to home, exposing growing concerns about violence among teens and the apparent lack of accountability even in school sports settings.

Anthony’s defense attorney insists the stabbing was done in self defense and that Metcalf provoked the altercation.

Anthony, who pleaded not guilty, faces a possible life sentence if convicted.

His defense is expected to focus heavily on questions of intent, claiming the fatal encounter was the tragic end of a fight that spiraled out of control.

The case has drawn attention across North Texas, both because of the ages of those involved and the senseless nature of the incident.

The story encapsulates a larger issue that parents and teachers continue to face: too many young people believe confrontation and posturing earn respect rather than restraint and good judgment.

For a moment that lasted two minutes, a young man’s life was taken, and another’s future was destroyed.

Local residents following the trial have expressed outrage that such violence could take place over something as trivial as who sat under which tent.

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The raw testimony from the witnesses paints a picture of reckless pride and impulsive decisions that defined that fatal day.

It is a sobering reflection on how easily petty rivalries can turn tragic when respect and discipline break down.

The trial will determine whether Karmelo Anthony’s actions were deliberate or defensive, but for the Metcalf family, the result is the same.

Their son is gone, and their lives are forever changed.

The courtroom scene, filled with teenagers recounting an ordinary afternoon turned nightmare, stood as a chilling reminder that consequences come fast when anger rules the moment.

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