Was there another man involved in plotting the 9/11 terrorist attacks that killed thousands in 2001? And why did British police, acting on the instructions of American law enforcement, let him go?

This is part one of a three-part special investigative series, first published in September.

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Guest: Amardeep Bassey, journalist, The Sunday Times.

Host: Taryn Siegel. 

Producer: Taryn Siegel.

Read more: Revealed after 24 years, how UK was forced to free 9/11 ‘plotter’

Clips: Metropolitan Police Services, CBS News, NBC News.

Photo: Tony Bell.

Get in touch: thestory@thetimes.com

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