behind there at the pump. >> at the local k&k food mart, the store's surveillance camera captured what happens. that's sam dressed in hunting camouflage. >> paid for my gas, had a little conversation with the patrons inside. >> among them, emil lajoie. it is just by luck that he's safe inside when an explosion rocks the gas station. >> well, i was in the store, i went to the counter to change my pump number, and that's when it all happened. >> kim is in the couple's pickup fiddling with the radio when suddenly, a terrifying noise. >> i heard this huge sound, the truck shook, and i hit the floorboards. it felt like a bomb, to be honest with you. or that the gas pump blew up. >> sam shows us where he stood when it all went down. >> next thing i know, all i seen was this orange "v" framed out by the brightest white.