Silverstein:  "and I said...'maybe the smartest thing to do is, is pull it'...and they made that decision to pull and then we watched the building collapse."

"Silverstein signed a 99-year lease for the twin towers just six weeks before the attack."

"...Insurers is set to pay around $861 million to Silverstein for the lost building...debt on the property is around $383 million..."

"Silverstein is reported in some quarters to have spent as much as $200 million on lawyers, as he pursues demands for as much as $7 billion from his insurers."

"Controlled Demolition Inc has developed a plan to clean up the WTC."

Controlled Demolition Inc: 'Pull it" means "Pull it down"

"The CIA's undercover New York station was in the 7 WTC."

The collapse of the 7 Building at 5:20 pm on Sept. 11, 2001. (Gif source)

FEMA: "The specifics of the fires in WTC 7 and how they caused the building to collapse remain unknown at this time ... The collapse of WTC 7 had a small debris field as the façade was pulled downward, suggesting an internal failure and implosion. "

"The tanks may have accelerated the collapse, but did not cause the collapse."

Timeline of the WTC collapses on 9/11.

10:05 am: The south tower of the World Trade Center collapses, plummeting into the streets below.

10:28 am: The World Trade Center's north tower collapses from the top down as if it were being peeled apart, releasing a tremendous cloud of debris and smoke.

[WTC 3 (also known as the World Trade Center Hotel, the Vista Hotel, and the Marriott Hotel) was almost completely destroyed...due to debris from the collapse of the adjacent WTC 1 and WTC 2. - FEMA]

4:10 pm: Building 7 of the World Trade Center complex is reported on fire.

5:20 pm: The 47-story Building 7 of the World Trade Center complex collapses. The evacuated building is damaged when the twin towers across the street collapse earlier in the day. - CNN

(Graphic source:  usnews.com)