Investigators are looking into whether the gunman who killed eight people and wounded seven others at an outlet mall in Texas on Saturday was motivated by domestic violent extremist ideals, according to a law enforcement source. The gunman has been identified as Mauricio Garcia, 33, the Texas Department of public safety confirmed Sunday. Garcia opened fire Saturday at Allen Premium Outlets in Allen, a suburb in the Dallas–Fort Worth metropolitan area, before being shot and killed by a police officer. The gunman is from Dallas, the Texas Department of Public Safety said. A source told CBS News senior investigative producer...