By Associated Press and Daily Mail Reporter Osama bin Laden's son-in-law Sulaiman Abu Ghaith has been convicted of conspiring to kill Americans for his role as the terror group's spokesman. Known as the voice of fiery al Qaeda propaganda videotapes after the September 11 attacks, Abu Ghaith had the verdict handed down after five hours of deliberation. He was the highest-ranking al Qaeda figure to face trial on U.S. soil since the attacks. Guilty: Sulaiman Abu Ghaith, Osama bin Laden's son-in-law and spokesman, has been convicted of conspiring to kill Americans though his sentence has not yet been determined
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Sulaiman Abu Ghaith has been convicted on three terror charges
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The al Qaeda spokesman and bin Laden's son-in-law was the highest-ranking member of the terrorist group to go on trial in the U.S.
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Found guilty on three charges: conspiracy to kill Americans, conspiring to provide support for al Qaeda and providing support for al Qaeda
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Prison sentence has not yet been handed down but could face life behind bars
He used his fiery oratory to incite @placeholder's growing army of terror in this war with America.'