that is the primary that they are looking at communications inside this bar to shelter away from where police are moving, the police wanted to make sure they didn't cause any collateral and the active shooter. julie: people hiding in the attic, and on the roof of the bar, people hiding in bathrooms, they can get in touch with their friends inside at the time. a lot of college students, and cal state university at pepperdine university, incredibly difficult when you have a venue, and open space.