Larry Silvers....stone Stein...
off course - no fire crew pulled that. Its impossible to do that in less than months, with demo crew of hundres of people.
Danny Jowenko said, when asked, it was possible that very same day (as the towers), but he must have been confused because in the interview he had just learned that the tower went down that day.
Not possible to ask him now, but look up the video.

Danny Jowenko interviews...
[link to duckduckgo.com (secure)]