ziad jarrah, his fellow hijackers, 40 passengers and crew were dead. the near miss of jarrah by that state trooper, and near misses of other hijackers, caused the government to assemble a massive nationwide surveillance apparatus. >> president bush said to us in the basement of the white house on the night of 9/11, "you have everything you need." and that was true. because as soon as we went to the congress, they said, "just tell us what you need." blank check. >> what congress did, and the american people supported, was turning on the spigot of funding for all the agencies that were involved in counter-terrorism. >> right after 9/11... i mean, every agency can give you their own gradation, but a nice popular rule of thumb is everybody doubled down. >> narrator: nine days after the attacks, congress committed tens of billions of extra dollars to launch a global offensive against al qaeda. >> yet in this first war of the 21st century... >> narrator: since then, washington post investigative reporter dana priest has been tracking the growth of that terror