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

The suspect reportedly told the officer who arrested him that the 17-year-old victim "put his hands on [him]" and that he admitted that "I did it."

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.