Hayley Atwell shares what went on during 9/11 inside The Vault, the CIA's top secret bunker, with Tracy Walder, a rookie operative who was there. 9/11 was only the second day of Tracy's first real CIA assignment, and she was tasked with hunting the world's most wanted terrorist, Osama Bin Laden, with President George W Bush looking on. What would YOU do? From SPYSCAPE, the headquarters of all things spy. A Cup And Nuzzle production. Producer: David Waters. Series producer: Gemma Newby. Music by Nick Ryan.