As they discussed possible attacks, it was Eldawoody who suggested getting uranium-235 and using a remote-controlled detonation. It was Eldawoody who suggested obtaining nuclear materials from the Russian mafia. "Oh, we can't find it over here, like in Florida?" asks Siraj, who then suggested looking for nuclear materials near the Rocky Mountains, or calling Pakistani nuclear scientist Abdul Qadeer Khan for advice.

Sometimes the conversations, recorded mostly in Eldawoody's car, included James Elshafay, a 19-year-old diagnosed schizophrenic who later pleaded guilty and testified against Siraj.

On the way to the subway station, here's what Siraj said:

In the last recording, a video, inside Eldawoody's Toyota on Aug. 23, 2004, Siraj said he didn't want to place the bomb himself, and said he would have to ask his mother for permission.

Later, his mother, Shahina Parveen, a nurse, said he never asked.

Eldawoody and his wife and daughter have been relocated. Here's what he's up to now:

He has his dreams. He wonders if he might sell the film rights to his story. And someday he wants to start his own organization, take off on a national speaking tour of mosques and train other Muslims to become informers, like him.