The Louisiana man who fatally shot ex-NFL player Joe McKnight during a road rage dispute was jailed on a manslaughter charge as a sheriff angrily defended the investigation Tuesday, saying authorities ''strategically'' waited for days to make the arrest because they needed to find independent witnesses. Ronald Gasser, 54, was initially taken into custody after the shooting last Thursday but he was released without being charged, drawing heated criticism from protesters who said race played a role in the investigation. Gasser, who is white, was arrested late Monday. More...