New details emerge in death of high school athlete

New details into the deadly stabbing at a track meet in Frisco including a possible defense by the alleged killer. In an arrest report obtained by NBC 5, the suspect reportedly told police he was trying to protect himself. The new information comes as outrage grows over the senseless killing of 17 year old Austin Metcalf. Meredith Yeomans visited a Frisco restaurant with a close connection to the victim’s family.