Karmelo Anthony SOBS as he is found guilty of murder of Austin Metcalf, 17, in stabbing that shocked America, as he is finally taken into custody ahead of sentence that could see him jailed for 99 years

Karmelo Anthony, now 19, claimed he was acting in self-defense when he stabbed Metcalf, 17, with a folding knife after a heated argument at a high school track event in Frisco, Texas, in April last year.