A 9/11 Story: 4. A Chance Meeting

Inside Britain's most secure interrogation room, Detective Constable David Campbell of Scotland Yard's anti-terror branch has just seven days to question the hijackers’ neighbour from San Diego. A BBC News Long Form Audio production. Host: Jane McMullen Series producer: Neal Razzell Additional production: Sally Abrahams, Keiligh Baker, Nik Sindle Editor: Matt Willis Music: Thomas Ross-Fitzsimons Sound design: Charlie Brandon-King Production management: Phoebe Lomas Radio 4 commissioning executive: Tracy Williams Radio 4 commissioning editor: Dan Clarke