What's so impossible about that?
The chances are like 1:1, because it happened.
Their building resembles the WTC very closely.
What are the odds!
So now the spy satellite agency is in on it. it makes perfect sense. They evacuate their building just in case their expert pilots mistake the building above for the pentagon or the capitol building. Then, not even a year later, the CIA publicly reveals it to pre-empt the truth movement, which was so close to finding it out anyway because they suspected satellites use focused energy beams to bring down the building. Well, I don't know if they thought the beams were from satellites, but I do now.