we are not just talking about any joe shmoes off the street--L Cacchioli's description included the phrase "detonators the kind you would use to bring down a building"--albert turi was even more specific and used the term "secondary explosions" and even claimed they were responsible for taking the lives of his men before he was killed that day--
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"Shortly after 9 o'clock ... [Albert Turi the Chief of Safety for the New York Fire Department] received word of the possibility of a secondary device, that is another bomb going off. He tried to get his men out as quickly as he could, but he said there was another explosion which took place, and then an hour after the first hit - the first crash that took place - he said there was another explosion that took place in one of the towers here, so obviously according to his theory he thinks that there were actually devices that were planted in the building.

Two WTC impacts. Three explosions reported.
One of the secondary devices he thinks that took place after the initial impact he thinks may have been on the plane that crashed into one of the towers. The second device - he thinks, he speculates - was probably planted in the building. ... But the bottom line is that he, Albert Turi, said that he probably lost a great many men in those secondary explosions, and he said that there were literally hundreds, if not thousands, of people in those towers when the explosions took place."
9/11 nbc news broadcast
http://www.whatreallyhappened.com/911_firefighters.html
[Lieutenant Fireman and former Auxiliary Police Officer, Paul Isaac Jr.] explained that, “many other firemen know there were bombs in the buildings, but they’re afraid for their jobs to admit it because the ‘higher-ups’ forbid discussion of this fact.” Paul further elaborated that former CIA director Robert Woolsey, as the Fire Department’s Anti-terrorism Consultant, is sending a gag order down the ranks. “There were definitely bombs in those buildings,”
http://www.prisonplanet.com/analysis...503_bombs.html