A track meet is set to resume Monday in Little Elm. Here's what to know about the stabbing death at the Frisco ISD track meet, the

The attack claimed the life of Austin Metcalf, 17, of Frisco. The victim’s father, said that his son was stabbed in the heart and died in his twin brother’s arms.

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.