Instead, as Professor Benforado points out, when people saw video from the perspective of the interrogator, they perceived a proper interview and a voluntary confession.

CNN: Could video evidence deceive us?

Professor Benforado talks of "perspective bias, " and experiments involving police interrogations (or "interviews" as police often prefer to characterize them) where researchers put a camera behind the person being interrogated, and another camera behind the interrogator.

CNN: Could video evidence deceive us?

That decision was made by the chief security interrogator at the scene in consultation with the Department of Justice, Mueller said.

CNN: STORY HIGHLIGHTS

But as with previous experiments in which random members of the public have been asked to play prison guard or interrogator, Dr Fast's result suggests that many quite ordinary people will succumb to bad behaviour if the circumstances are right.

ECONOMIST: But power without status corrupts absolutely

The witness in the Khadr case, a former Army Sergeant who served as an interrogator in Afghanistan and was later court-martialed and sentenced to 5 months in prison for detainee abuse, only agreed to testify in court if his identity would be protected.

CENTERFORSECURITYPOLICY: Center For Security Policy

Dressed in a prison-issue uniform, Athanasiadis endured hours of questioning over the next several weeks in sound-proofed rooms where he was never allowed to see his interrogator.

CNN: Reporter held for 21 days in Iranian jails

Based on daily App Interrogator surveys, Canalys estimates that just 25 developers accounted for 50% of app revenue in the US in these stores during the first 20 days of November 2012.

FORBES: Apple's Apps And Google Play: Power Laws And Long Tails

In the book's second half, Mr. Johnson introduces a stunning counter-narrative, related by a government interrogator tasked with discovering Jun Do's secrets.

WSJ: Book review: The Orphan Master's Son