Ten-year-old Ke'aundre James was on the bus headed to school when he "heard yelling and cussing in the front" -- and spotted a man with a rifle. The gunman "was telling the bus driver, 'Close the doors, take me to the next town over. Go, go, go.' And stuff like that," Ke'aundre told ABC News. So Ke'aundre called his parents... ...The suspect, a 23-year-old Fort Jackson trainee, Jovan Collazo, was taken into custody. Collazo's Army-issued rifle did not have ammunition...