Landlady to 9/11 hijackers reveals their links to alleged Saudi spy

A landlady who previously rented properties to two al-Qaeda members involved in the 9/11 attacks has come forward publicly for the first time in an interview with the BBC. She reveals previously unknown connections between the hijackers and an individual alleged to be a Saudi spy. Her testimony provides new insights into the social networks and support systems that facilitated the 9/11 plotters' presence in the United States.