FBI suspicious of British group
Several weeks before September 11, an FBI agent linked several students at Arizona flight schools to a London-based Muslim sheik who had received a letter from Osama bin Laden encouraging the downing of airliners, officials said.
Sheik Omar Bakri Mohammed is the outspoken leader of Al Mahajiroun, an organisation reported to have recruited people in Britain to fight the Russians in Chechnya and support the Taliban in Afghanistan.
