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This is Hard Talk with me, Stephen Sacker.

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Welcome to Hard Talk on the BBC World Service with me, Stephen Sacker.

My guest today was the driving force behind one of the most revealing and damning investigations into America's

national security institutions ever mounted. Daniel Jones spent six years sifting through millions

of secret documents to build a picture of the CIA's systematic use of enhanced interrogation techniques, a euphemism for torture in its

effort to neutralize the threat posed by jihadist terrorists in the wake of 9-11. The summary of his

6,000-page report was finally declassified in late 2014. It provided graphic evidence of the CIA's use of

torture, despite the very same agency's conclusion that such techniques didn't yield useful intelligence.

Now, Daniel Jones's story has been turned into a film, The Report, which challenges Americans to think hard about security, accountability, and the abuse of power.

But 18 years after 9-11, with Donald Trump in the White House, how much do Americans care?

Well, Daniel Jones joins me now. Welcome to Hard Talk. Thank you for having me.

A film has just come out portraying your battle to write this report into what the CIA did in its

counter-terror operations after 9-11. It's some time ago now, but does it still feel like unfinished business to you?

Well, in so many ways, the true story of what happened 9-11 in terms of how we responded in the United

States from a policy's perspective in the war on terror is still unfolding, and it's impacting how we

fight these battles today with ISIS and other foreign

adversaries. But this report of yours, it was sort of six years in the writing and then the

battling to get at least a summary of it published and before the eyes of the American public.

But that's happened. And I just wonder whether you feel that actually some elements of this

...