Narrator / Host (Tucker Carlson Show producer/narrator)

And in fact, it helped at least two of them get to the United States.

US intelligence was so strong at the time, on the morning of the attacks,

the majority of the hijackers were flagged at the airport for additional screening.

The question is, how did they wind up on the watch lists in the first place?

The report never tells us.

He was one of 50 siblings.

His father built a multi-billion dollar construction business, reconstructing, among other things, the cities of Mecca and Medina.

In 1979, Osama bin Laden moved to Afghanistan to fight the Soviet invasion there.

After the war, he returned to Saudi Arabia, but he was eventually exiled to Sudan because he was openly critical of the Saudi government's close ties to the United States.

In 1996, he returned to Afghanistan and declared war on the U.S.,

Since then, the United States has been repeatedly attacked in the region.

In 1983, a group called Islamic Jihad murdered more than 300 U.S.

Marines at a military barracks in Beirut.

At the time, it was the largest non-nuclear explosion since Nagasaki.

In 1993, a Pakistani national called Ramzi Yousaf bombed the World Trade Center in Lower Manhattan.

By 1996, al-Qaeda had emerged as the single clearest threat to the United States.

In response to that threat, the CIA created something called ALEC Station, otherwise known as the Bin Laden Unit, which Mike Scheuer ran.

But as it turned out, not everyone at the CIA wanted to help fight al-Qaeda.

As Brennan was withholding critical information on bin Laden, the CIA's Counterterrorism Center started developing a plan to capture bin Laden at a terrorist training facility known as Tarnak Farms.

And initially the administration went along with it.