Austin and his alleged killer had reportedly never met each other prior to the fatal encounter. Witnesses claimed that Austin confronted Karmelo, who attends another school, for sitting in Frisco Memorial High School’s tent in the stands, telling him to move.

Austin’s twin brother, Hunter, who was also there, told WFAA: “And my brother stepped in and said, ‘You need to move. And he’s like, ‘Make me move.’”

Anthony, it’s alleged, then grabbed up his backpack and pulled out a knife. He proceeded to stab Austin in the chest.

Karmelo is currently being held on house arrest, having posted bond on April 14. The teen has been fitted with an ankle monitor as he awaits trial.

According to recent reports, Austin father, Jeffrey Metcalf