In Miami, Terror Trial Begins for Alleged Dirty Bomber

Jose Padilla accused of being part of support cell for Islamic extremists

"Killing only becomes murder under certain specific circumstances," said Hassoun's lawyer, Jeanne Baker. "Defending Muslims is not committing murder."

Padilla's voice is only heard on eight of the FBI wiretaps and he is mentioned on about 20 others. One of those says he had gone to "the area of Osama," an apparent reference to bin Laden's al-Qaida camps in Afghanistan.

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