I have a hypothesis.
...but then again, he knows more than I do.
To be fair, that quote is taken out of context.
Let's not jump to conclusions...
Wow, this NIST report is comprehensive!
Wow, these NIST guys sure are compentant.
The FBI, the CIA, the SEC, FEMA, NIST, 3 police departments, 3 fire departments, 3 massive cleanup crews, all the DNA labs, and the 9/11 commission is actually more than one organization.
The reason the story has changed is because new facts have come to light.
The reason the story has changed is because they've had more time to investigate deeper.