Investigation of Israeli Men on 9/11

This woman was watching the Twin Towers burning from her apartment in New Jersey.

She noticed three men on top of a van, posing for pictures with the

towers burning in the background.

And I could see that they were, like, happy.

You know, they, they, they were-- They didn't look shocked to me.

You know, they didn't look shocked. I thought it was very strange.

The witness called police, who stopped the van hours later and

arrested five men. All five, it turns out, were

Israeli. They were turned over to the FBI.

Sources tell ABC News, during a check of national security

databases,

some of the men were listed as having had connections with Israeli

intelligence. At the FBI, that set off alarm

bells. The FBI needed the answers to three

important questions.

Who were these men? What brought them to

that parking lot on the morning of

September 11th? And did they have any advance knowledge

of what was going to happen that day?

The men said they were just taking pictures at the time.

They said they worked for a company called Urban Moving.

The FBI obtained a search warrant for the company's offices.

Two SUVs were filled up with between nine and

twelve boxes and computers.

Not long after the arrests, the offices of Urban Moving were

simply abandoned. Almost everything was left behind.

In jail, the five Israelis were repeatedly interrogated and given lie

detector tests. Stephen Gordon was their American lawyer.

They were asked questions if they had ever been

approached by or hired by any

non-United States intelligence community.

While there is still some debate among American intelligence officials, many

investigators believe some