forkatheri for katherine walton, it ban like any other saturday. she took their five kids to the west gate mall. a place all of them could be entertained, the teens and toddler toddler. >> just an opportunity to walk around. kill a couple of hours. i knew we would go home and have naps and everybody would be happy. >> the waltons chose to move to kenya two years earlier from texas. for katherine and phillip, it was like going home. both children of missionaries and grew up in countries in west africa. met in boarding school in africa and married in the states and started raising their family. at the time of the attack, their son was 14 years old and one ten. porsha four, gigi two, and pet the baby 13 months old. and then an explosion. >> so the first thing that tells you something is wrong, is a huge bang. >> yes. >> coming from where. >> it was the main entrance. it was off to my right and behind me. i remember turning around and looking at it and just seeing people screaming and running. >> in those first seconds, katherine was unsure what was ha