Frisco ISD will have maximum security protocols in place Monday for the final day of the District 11-5A track and field meet after one of its athletes

Frisco Memorial junior Austin Metcalf was stabbed and killed on Wednesday at a track meet. Frisco Centennial 17-year-old Karmelo Anthony has been charged with murder in the stabbing. Take a look back at FOX 4's coverage of the stabbing as more information came out about the victim,

The 17-year-old accused of fatally stabbing another Frisco high school student confessed to the killing and told police he was trying to protect himself, according to an arrest affidavit.