The knife used in the killing of 17-year-old Austin Metcalf was a $13 Walmart camping multitool, according to the Collin County District Attorney.
The Ozark Trail 6-in-1 multitool, sold by Walmart as a budget camping accessory, includes a serrated blade, flashlight, and glass breaker.
Confrontation at Memorial High School track meet led to the stabbing, where Austin Metcalf and his brother confronted Karmelo Anthony after he refused to leave their team's tent.
Anthony allegedly pulled out the knife and stabbed Austin in the chest, resulting in a two-inch chest wound that pierced his heart.
Karmelo Anthony was convicted of first-degree murder and received a 35-year prison sentence.