Millions of Texans were jolted out of bed just before 5:00 a.m. Friday when Hall County—somewhere north of Lubbock, population 2,810—issued a Blue Alert after a deputy was injured by a fleeing suspect, sending people and social media into a frenzy. A Blue Alert is a bulletin that informs the public about a search for a person suspected of harming a law enforcement officer. In this morning's case, the alert was triggered in Hall County by the Texas Department of Public Safety. We were told a deputy was injured by Seth Altman, a 33-year-old white man, 6-foot, 2 inches tall,...