They are thought to show suspects being subjected to harsh interrogation techniques.

人们认为录像带纪录了嫌疑人遭受严厉审问方法的折磨。

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He said the harsh interrogation techniques used on a few detainees were legal, essential and justified.

VOA: standard.2009.05.21

He banned harsh interrogation techniques, and vowed to shutter the detention facility by 2010.

VOA: standard.2009.05.21

Years ago CIA officials reportedly used harsh interrogation techniques on a wounded terrorism suspect, Abu Zubaydah, a top al-Qaeda operative.

BBC: Boston bombings: How to interrogate a suspected terrorist

Due to constitutional objections, the jury never heard the evidence that emanated from the harsh interrogation techniques to which he was admittedly exposed.

FORBES: Osama Bin Laden's Son-In-Law Turns War On Terror Into War On Confusion

In Washington there is also speculation as to whether President Bush could extend a pre-emptive pardon to those officials who carried out the harsh interrogation techniques on terrorist suspects.

BBC: Dilemmas of US presidential pardons