MI5, Britain’s domestic intelligence agency, opens a permanent file on Osama bin Laden. However, MI5 still believes bin Laden is a terrorist financier rather than a leader, and the source of his wealth is a “mystery.” [Daily Telegraph, 10/5/2009] MI6 is Britain’s foreign intelligence agency, and presumably it would be more knowledgeable and concerned than MI5 about a foreign threat like bin Laden.