A teen accused of fatally stabbing another student at a Texas track meet earlier this year has been indicted on a murder charge, Collin County District Attorney Greg Willis confirmed.

Willis said a grand jury handed up the indictment Tuesday against Karmelo Anthony, 17. Police say Anthony killed Austin Metcalf, also 17, on April 2 at the District 11-5A track meet at David Kuykendall Stadium. Anthony has said he acted in self-defense.

In a news release, Willis said the indictment will allow the case to move “formally into the court system,” adding a trial schedule has not yet been set.

“We know this case has struck a deep nerve — here in Collin County and beyond,“ he said. ”That’s understandable. When something like this happens at a school event, it shakes people to the core.

“But the justice system works best when it moves with steadiness and with principle. That’s what we’re committed to. And that’s exactly what this case deserves.”

In a video statement sent to The Dallas Morning News, Anthony’s attorney, Mike Howard, called the indictment “an expected and routine step in the legal process.”

“Please remember that there are real human beings — kids — on both sides of this case,” Howard said. “We ask that everyone do as the law requires and withhold judgement until all the evidence can be heard in court.”

He continued: “We are confident that when all of the facts are presented and the full story is heard, the jury will reach the right conclusion and justice will be done.”

According to an arrest-warrant affidavit, Anthony was waiting out a weather delay under a tent designated for Frisco Memorial High School students — where Metcalf attended school — when Metcalf told him to move.

Anthony, who was a student at Frisco Centennial High School, allegedly reached inside his bag and said “Touch me and see what happens,” the affidavit said. Metcalf then touched him, to which Anthony replied, “Punch me and see what happens.”

According to the report, Metcalf grabbed Anthony and again told him to move when Anthony pulled out a knife, stabbed Metcalf once in the chest and ran.

Anthony later told responding officers at the scene “He put his hands on me, I told him not to,” according to the affidavit.

The affidavit said Anthony also asked if Metcalf was going to be OK. Metcalf was pronounced dead at a hospital less than an hour after the stabbing.

Anthony has been on house arrest with an ankle monitor since late April, when his bond was significantly reduced from $1 million to $250,000, allowing for his release from jail.

The case, which drew national attention on social media, has caused security concerns for both families. The homes of Metcalf’s parents have been swatted repeatedly, while Anthony’s family said they had to move for their safety.

Jeff Metcalf, Austin’s father, previously told The News he feels for the family of the alleged assailant, because “his life is over, his family will be devastated also.”

Jeff described his son to be not only an all-district linebacker and the Memorial football team’s MVP, but a member of the National Honor Society with a 4.0 GPA. He dreamed of playing college ball.

“This was going to be his year,” Jeff said.

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