India, June 11 -- The knife used by Karmelo Anthony to stab Austin Metcalf to death was a Walmart multi-tool with a serrated blade which sells for $13, the New York Post reported.

The knife he used came from the Walmart camping brand Ozark Trail. It had a 3.5-inch blade, the Collin County District attorney said.

The knife is a 6-in-1 multitool equipped with a flashlight and glass breaker. It is ideal for someone who hunts, camps or who travels often," the Walmart listing says.

The blade of the knife was more than enough to kill Metcalf, who was a 200-pound football player. The stabbing caused a two-inch gash in Metcalf's chest.

While a blade of that size is legal to carry in Texas, it was not permitted on the grounds of the Frisco sch...