NIST is still withholding the mathematical model data that was used for their simulation of the collapse to derive their results. More recent rebuttal from NIST

NIST is still withholding the mathematical model data that was used for their simulation of the collapse to derive their results. More recent rebuttal from NIST can be found here: https://www.nist.gov/blogs/taking-measure/20-years-later-nists-world-trade-center-investigation-and-its-legacy#comment-102311 https://www.nist.gov/blogs/taking-measure/20-years-later-nis... FYI: Shyam Sunder, the author of the article, was the lead investigator of this collapse.