CBS Report 9/11: Ground Level Explosion Caused WTC To Collapse CBS Report On 9/11: Ground Level Explosion Caused WTC To Collapse

"Yet another 9/11 video that NIST tried to block from being released has
emerged discussing bombs in the World Trade Center that led to the collapse
of the twin towers, indicating once more that the organization attempted to
preside over a cover-up to hide evidence of secondary explosives."