(CBS NEWS) Osama bin Laden's son-in-law, the voice of fiery al Qaeda propaganda videotapes after the Sept. 11 attacks, was convicted Wednesday of conspiring to kill Americans for his role as the terror group's spokesman.
The verdict came after about five hours of deliberation in the case against Sulaiman Abu Ghaith, the highest-ranking al Qaeda figure to face trial on U.S. soil since the attacks. The Kuwaiti imam had testified during a three-week New York trial that he answered bin Laden's request in the hours after the attacks to speak on the widely circulated videos used to recruit new followers willing to go on suicide missions like the 19 who hijacked four planes on Sept. 11, 2001.
"The storm of airplanes will not stop," Abu Ghaith was heard warning in an October 2001 video that was played for the jury.
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