Deadly Track Meet Tragedy: Murder or Self-Defense?

What began as a dispute between two high school athletes at a Texas track meet ended in tragedy when 17-year-old Austin Metcalf was fatally stabbed and fellow student Karmelo Anthony was charged with murder. Now, as jury selection gets underway, prosecutors and defense attorneys are preparing to battle over a central question: was this a deliberate killing or an act of self-defense? Court TV’s Vinnie Politan Investigates. MORE