possible and not have somebody throw rocks through the window and contaminate the interior. they are always covered. it's not just this case or not because it might have pro republican window stickers or any of that. >> tom fuentes, we are watching fbi agents and they are questioning somebody at this auto zone, an auto parts store working the computer laptop. we don't know if the person worked there or did business in the store, but the van was outside of this store. routine investigative work. >> they want to know if that person saw the van being park and did more than one person get out. was somebody else with the suspect or was it taken into custody? that would be typical to do the interviews. everybody that possibly saw that van at that vicinity to make sure he is alone.