CNN Erin Burnett OutFront September 10, 2015 23:30:00
Eight-mile span, making some think twice about taking i-10. >> what i heard and seen is that people are taking different routes. >> reporter: they are going a different way? the department of public safety calling the incidents acts of domestic terrorism. >> there are arizonians who are frightened, scared is, concerned about their safety and their loved ones. >> reporter: while a tip line flashes, an army of police patrol from the sky and the ground. along interstate 10 and the back alleys, it's not just police who are looking for the shooter. a whole group of citizens are as well. they call t...