^Many of the officers and firefighters who were there described huge explosions that happened right before the towers collapsed, and also when WTC7 collapsed. They said it was a "boom boom boom..." effect where all the floors stacked up on themselves like pancakes. Almost as if it was a controlled demolition.
You really think that IF it was a rigged job, they would be able to keep it quiet? Let alone be able to rig the building, which housed many businesses, unnoticed?