Episode 259

Mireya Villarreal reports from Dallas, where the FBI says a sniper on a rooftop rained bullets on a van filled with detainees – killing one and wounding two more; Kayna Whitworth has details on the chaotic scene that unfolded in Southern California as police chased an allegedly stolen semi-truck through Orange County, and ended after a SWAT vehicle rammed the truck; amid a fierce debate over protecting freedom of speech in America, Trevor Ault reports on the millions of viewers that tuned in for Jimmy Kimmel's return to late-night TV; and more on tonight's broadcast of World News Tonight with David Muir.