storyPublished September 26, 2005Last Update January 13, 2015Al Qaeda Cell Leader Convicted of 9/11 Conspiracy Charges By | Associated PressFacebookTwitterFlipboardPrintEmailMADRID – A suspected Al Qaeda (search) cell leader has been convicted of conspiracy to commit murder in connection with the Sept. 11, 2001 (search), attacks in the United States; two others acquitted.