and, again, an eyewitness says, right where you're seeing that wreckage, as they zoom into that, that's where the plane landed. and the lane, they believe, that crashed into the building was the one we were just showing there, a small piper cherokee, which nbc's tom costello and other pilots have told us is considered a very safe plane. tamron hall joins me in the coverage this hour. tamron, you're looking at a lot of people. perhaps 100 people who worked in that building, who felt something, heard something, and right away took the opportunity to get out of that building. >> this was in the 10:00 hour. you can bet a lot of people were in that building. there is a -- i actually spoke with my uncle who lives about five miles from there. he instantly knew there was a business school in there. we looked up the other businesses in there, you've got a yoga massage studio. 10:00 in the morning, most folks who work a traditional workday are in the building.