He wrote: 'We open ourselves up to possible criminal liability if we misuse the interrogation techniques'. The advice was given in relation to the interrogation of Janat Gul, a detainee thought to be linked to Al Qaeda. He urges that physical interrogation techniques are no longer used because 'if they don't work, then our motives are quesionable. If our motives might be questioned, then we get ourselves in trouble.'

CIA head office

His warning was not heeded and the CIA head office approved the continuation of physical interrogation. However, it appears that he was not subject to sleep deprivation or other physical measures after the approval was given. Source: Business Insider