started coming closer together, the shots were going, doo, doo, doo, doo, doo. people were running inside saying there was a shooter. we took off towards the back of the store where the stockroom was. we were pushing people out the way and telling them to go. and when we did we ran out towards the back and the employees were telling us to go into the freight containers in the back where they get the stock out, and we sat there for maybe 20 minutes, and then they told us to come out, and we did, because there were elderly and children, they were getting hot. >> i'm shaking. there weigas a whole bunch of k out there. i tried to pick out as many as i could and bring them out with me. >> i heard a lot of yelling, cops with guns, saying get on your knees. that's when we went back in the room. we were scared to death. >> now, just a bit about the suspected gunman. apparently, from allen, texas, more than 600 miles away. that's about 1,000 kilometers away. authorities say that a document was posted online shortly before the shooting. it appears to be an