It is the biggest leak of military secrets in history. Al Jazeera has details of nearly 400,000 classified US documents. They are the secret Iraq files, leaked to whistleblower website WikiLeaks.
For the past ten weeks Al Jazeera has had complete access to those files. As part of our forthcoming coverage, we reveal how the US military gave a secret order not to investigate torture by Iraqi authorities discovered by American troops.
Our full coverage will begin on Friday, October 22, at 2100 GMT.