was a counter-terrorism expert and the assistant director of the FBI until late 2001. He retired from the FBI and was offered the position of director of security at the World Trade Center (WTC). He took the job at the WTC two weeks before 9/11. On 10 September 2001, O'Neill told two of his friends, "We're due. And we're due for something big. ... Some things have happened in Afghanistan. [referring to the assassination of Massoud] I don't like the way things are lining up in Afghanistan. ... I sense a shift, and I think things are going to happen ... soon." O'Neill died on 11 September 2001, when the South Tower collapsed. After 9/11, Massoud's United Front troops and United Front troops of Abdul Rashid Dostum (who returned from exile) ousted the Taliban from power in Kabul with American air support in Operation Enduring Freedom. From October to December 2001, the United Front gained control of much of the country and played a crucial role in establishing the post-Taliban interim government under Hamid Karzai. Overthrow and another war Prelude On 20 September 2001, US president George W. Bush, speaking to a joint session of Congress, tentatively blamed Al-Qaeda for the 11 September attacks, stating that the "leadership of Al Qaeda ha[d] great influence in Afghanistan and support[ed] the Taliban régime in controlling most of that country". Bush said, "We condemn the Taliban régime", and went on to state, "Tonight the United States of America makes the following demands on the Taliban", which he said were "not open to negotiation or discussion": Deliver to the US all of the leaders of Al-Qaeda Release all foreign nationals that have been unjustly imprisoned Protect foreign journalists, diplomats, and aid workers Close immediately every terrorist training camp Hand over every terrorist and their supporters to appropriate authorities Give the United States full access to terrorist training camps for inspection The US petitioned the international community to back a military campaign to overthrow the Taliban. The UN issued two resolutions on terrorism after the 11 September attacks. The resolutions called on all states to "[increase] cooperation and full implementation of the relevant international conventions relating to terrorism" and specified consensus recommendations for all countries. According to a research briefing by the House of Commons Library, although the United Nations Security Council (UNSC) did not authorise the US-led military campaign, it was "widely (although not