speak Arabic and Urdu. He said training lasted only a few weeks in 2002 before he got an apartment in Brooklyn and began attending a mosque there as a "walking camera" for his police handlers.

"I was told to act like a civilian - hang out in the neighborhood, gather information," he testified.

The witness recounted how he met Siraj at an Islamic bookstore near the mosque. He claimed that the defendant advocated jihad against the United States for its support of Israel and argued that targeting both countries for suicide bombings was justified.

Siraj declared in December 2002 that, "The mission was not complete on 9/11 because it did not hit Wall Street," the witness said.

Pressed on cross-examination about his own beliefs, the undercover officer expressed dismay at Siraj's brandBarber, a former aide to Giffords, won her seat in a special election in June following a shooting the year before in Tucson at a “Congress On Your Corner” event. Giffords, then in her third term as a congresswoman, was shot in the head. She later left Congress to focus on her recovery and endorsed Barber as her successor.

Barber also was wounded in the leg and cheek during the shooting; six others were killed.

As of Saturday, Barber led McSally by 1,402-vote margin with more than 285,000 ballots cast.

Democrats maintain a slight lead in each of the two additional House races that remain too close to call. A third unresolved House race in Louisiana will pit two Republican incumbents against each other in a December 8 run-off election.

The balance