Furthermore, a signature obtained under duress is of no value in court.

Concerns have been raised over Tajiki's trial, including the reliance on confessions that activists say were obtained under duress.

'Yeah, but we still can't act on intelligence obtained under duress,' Stoneworth reminded him.

There is little independent corroboration for the reporting and some of the information is likely to have been obtained under duress.

Torture is prohibited by international human rights law at all times, and international due-process standards prohibit confessions obtained under duress from being used as evidence.