On September 21, 2001, Omar al-Bayoumi was arrested in Birmingham on suspicion of the preparation, instigation or commission of acts of terrorism. Police would have seven days before they would need to charge, extradite, or release him. Over the next week of questioning, there would be extraordinary revelations -- but also leads not followed, and crucial information not shared. So what went wrong?

This is part two of a three-part special investigative series.

This podcast was brought to you thanks to the support of readers of The Times and The Sunday Times. Subscribe today: http://thetimes.com/thestory

Guest: Amardeep Bassey, journalist, The Sunday Times.

Host: Taryn Siegel.

Producer: Taryn Siegel.

Clips: Metropolitan Police Services.

Photo: Tony Bell.

Get in touch: thestory@thetimes.com

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