Americans remember 9/11 with tear-choked tributes, pleas to 'never forget'
More than two decades later, Sept. 11 remains a point for reflection on the attack that reconfigured national security policy and spurred a U.S. “war on terror” worldwide.
9/11 survivor recounts escaping from 81st floor of World Trade Center: 'Don't look, just run'
'A plane hit the building!' the 9/11 survivor remembers hearing.
US sends suspected 9/11 hijacker home from Guantanamo for mental treatment
Mohammad Ahmad al-Qahtani was flown back to Saudi Arabia, to a treatment facility.