The teenager who was charged in the murder of 17-year-old Austin Metcalf is going to be tried as an adult in Texas.

Karmelo Anthony, 17, was charged with first-degree murder after allegedly stabbing Metcalf at a high school track meet. 

Metcalf reportedly told Anthony that he was sitting in the wrong seat before the fatal stabbing.

He faces life in prison with the possibility of parole in 40 years.