catherine walton was hunkered down near where the shooting had started, crouched in a small kiosk withanger and her three young daughters. she was desperately worried about her sons who were somewhere out there, but she had to focus on keeping her daughters quiet so they wouldn't attract attention. >> are you hiding from the gunman? >> yet, we were laying down on the ground, trying to hide from them so they couldn't see us. portia kept her fingers in her ears. gigi later there and said, mom, my blanket. my mouth, my flashlight. she sleeps with those three things every night. she said she wanted her brothers, and i told her that we see them later. >> katherine could only hope that was true. half a world away, a phone rang in a hotel in north carolina. katherine's husband, phillip, it tech entrepreneur, gone back to the u.s. for business meetings leaving his wife alone in nairobi with their five kids. >> i got woken up at about 6 am by a phone call from paul weaver, who is our family friend. i knew it was not good. >> do you remember what he said? >> there's an attack going on at west ga