By Andy Worthington

August 2008 -- The existence of a secret, CIA-run prison on the island of Diego Garcia in the Indian Ocean has long been a leaky secret in the “War on Terror” and recent revelations in TIME — based on disclosures by a “senior American official” (now retired), who was “a frequent participant in White House Situation Room meetings” after the 9/11 attacks, and who reported that “a CIA counter-terrorism official twice said that a high-value prisoner or prisoners were being interrogated on the island” — will come as no surprise to those who have been studying the story closely.

The news will, however, be an embarrassment to the US government, which has persistently denied claims that it operated a secret “War on Terror” prison on Diego Garcia, and will be a source of even more consternation to the British government, which is more closely bound than its law-shredding transatlantic neighbour to international laws and treaties preventing any kind of involvement whatsoever in kidnapping, “extraordinary rendition” and the practice of torture.

This is not the first time that TIME has exposed the existence of a secret prison on Diego Garcia. In 2003, the magazine broke the story that Hambali, one of 14 “high-value detainees” transferred to Guantánamo in September 2006, was being held there, and in the years since confirmation has also come from other sources. Twice, in 2004 and 2006, Barry McCaffrey, a retired four-star US general, who is now professor of international security studies at the West Point military academy, revealed the prison’s existence. In May 2004, he blithely declared on MSNBC’s Deborah Norville Tonight, “We’re probably holding around 3,000 people, you know, Bagram air field, Diego Garcia, Guantánamo, 16 camps throughout Iraq”, and in December 2006 he spoke out again, saying, in an NPR interview with Robert Siegel, “They’re behind bars … we’ve got them on Diego Garcia, in Bagram air field, in Guantánamo.”

The prison’s existence was also confirmed by Dick Marty, a Swiss senator who produced a detailed report on “extraordinary rendition” for the Council of Europe in June 2007 (PDF) and by Manfred Novak, the UN’s Special Rapporteur on Torture, in March 2008. Having spoken to senior CIA officers during his research, Marty told the European Parliament, “We have received concurring confirmations that United States agencies have used Diego Garcia, which is the international legal responsibility of the UK, in the ‘processing’ of high-value detainees”, and Manfred Novak explained to the Observer that “he had received credible evidence from well-placed sources familiar with the situation on the island that detainees were held on Diego Garcia between 2002 and 2003”. The penultimate piece of the jigsaw puzzle came in May, when El Pais broke the story that “ghost prisoner” Mustafa Setmariam Nasar, whose current whereabouts are unknown, was imprisoned on the island in 2005, shortly after his capture in Pakistan — although the English-speaking press failed to notice.

Despite these previous disclosures, TIME’s article by Adam Zagorin is particularly striking because of the high-level nature of the source, and his admission that “the CIA officer surprised attendees by volunteering the information, apparently to demonstrate that the agency was doing its best to obtain valuable intelligence”. In addition, the source noted that “the US may also have kept prisoners on ships within Diego Garcia’s territorial waters, a contention the US has long denied”.

Zagorin also spoke to Richard Clarke (at the time the National Security Council’s Special Advisor to President Bush regarding counter-terrorism), who explained, “In my presence, in the White House, the possibility of using Diego Garcia for detaining high value targets was discussed.” Although Clarke “did not witness a final resolution of the issue”, he added, “Given everything that we know about the administration’s approach to the law on these matters, I find the report that the US did use the island for detention or interrogation entirely credible” and he also pointed out that using the island for interrogations or detentions without British permission “is a violation of UK law, as well as of the bi-lateral agreement governing the island”.

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Zagorin’s source did not name the prisoners, but it seems clear that the period he was referring to (“2002 and possibly 2003”) was when three particular “high-value detainees” — Abu Zubaydah, Khalid Sheikh Mohammed and Ramzi bin al-Shibh — are reported to have been held on the island, and it seems entirely plausible, therefore, that after these three were transferred to another secret CIA facility in Poland, the prison was used not only to hold Hambali, but also to hold the two other “high-value detainees” captured with him — Mohammed bin Lep (aka Lillie) and Mohd Farik bin Amin (aka Zubair). The addition of Mustafa Setmariam Nasar, who, it seems, may have been held into 2006, not only confirms that a secret prison existed, but that it was possibly in use for four years straight.

These damaging revelations seal Diego Garcia’s reputation as a quagmire of injustice. A British sovereign territory — albeit one that was leased to the United States nearly 40 years ago, when the islanders were shamefully discarded by the British government and exiled to face destitution and death by misery in Mauritius — Diego Garcia has long been a source of shame to opponents of modern colonial activity. Until now, however, the only admission that any activities connected with the “War on Terror” had taken place on the island came in February 2008, when, after years of denials on the part of the British government, David Miliband, the foreign secretary, finally conceded that requests for information from his US counterparts had revealed that, in 2002, two rendition flights had refuelled on the island. “In both cases”, Miliband stated with confidence, “a US plane with a single detainee on board refuelled at the US facility in Diego Garcia. The detainees did not leave the plane, and the US Government has assured us that no US detainees have ever been held on Diego Garcia”.

The British government had been provoked to action by critics within the UK, in particular the All-Party Parliamentary Group on Extraordinary Rendition, led by the Tory MP Andrew Tyrie, and the legal action charity Reprieve, which represents 30 prisoners in Guantánamo, but the story appeared to grind to a halt when Michael Hayden, the CIA’s director, stepped forward to deny that Diego Garcia had ever been used as a “War on Terror” prison.

“That is false,” General Hayden said when asked if a secret prison had existed on Diego Garcia, adding, as the New York Times put it, that “neither of the two detainees carried aboard the rendition flights that refuelled at Diego Garcia ‘was ever part of the CIA’s high-value terrorist interrogation program.’” He also explained that one of the detainees “was ultimately transferred to Guantánamo”, while the other “was returned to his home country”, which was identified by US State Department officials as Morocco. “These were rendition operations,” he added, “nothing more”.

In July 2008, however, the story resurfaced once more, as David Miliband reported the results of his latest request for information from his US counterparts. This concerned a list of rendition flights, which, in the opinion of Reprieve and the All-Party Parliamentary Group, may also have passed through British territory, but the foreign secretary was confident that there was no further evidence to be mined, stating, “The United States Government confirmed that, with the exception of two cases related to Diego Garcia in 2002, there have been no other instances in which US intelligence flights landed in the United Kingdom, our Overseas Territories, or the Crown Dependencies, with a detainee on board since 11 September 2001.”

Yet again, the assurances of his US colleagues did nothing to assuage the critics. Reprieve noted that the British government “intentionally failed to ask the right questions of the US, and accepted implausible US assurances at face value” and added, presciently, “This remains a transatlantic cover-up of epic proportions. While the British government seems content to accept whatever nonsense it is fed by its US allies, the sordid truth about Diego Garcia’s central role in the unjust rendition and detention of prisoners in the so-called ‘War on Terror’ cannot be hidden forever.”

Just three days after David Miliband’s last attempt to draw a line under the story, the British Foreign Affairs Select Committee published its latest report on the British Overseas Territories (PDF), and was scathing about Diego Garcia, declaring that “it is deplorable that previous US assurances about rendition flights have turned out to be false. The failure of the United States Administration to tell the truth resulted in the UK Government inadvertently misleading our Select Committee and the House of Commons. We intend to examine further the extent of UK supervision of US activities on Diego Garcia, including all flights and ships serviced from Diego Garcia.”

TIME’s latest revelations, of course, leave the US administration looking like bald-faced liars and the British government looking like myopic dupes. Whether Michael Hayden was also duped is not known, but his strenuous denial, just five months ago, that a secret prison existed, which was staffed by his own employees, will do nothing for the credibility of the US administration, which likes to pretend that it does not torture and has nothing to conceal, but is persistently discovered not only being economical with the truth, but also behaving exactly as though it has guilty secrets to hide.

Whether this scandal will awaken much indignation in the US public remains to be seen, but it is hugely damaging to the British government, which is legally responsible for the activities that take place on its territory, however much it likes to hide behind “assurances” from its leaseholders that they have done nothing wrong.

It scarcely seems possible, but Diego Garcia’s dark history has suddenly grown even darker.

[Andy Worthington is the author of The Guantánamo Files: The Stories of the 774 Detainees in America’s Illegal Prison (published by Pluto Press/the University of Michigan Press), which includes extensive chapters on rendition and secret prisons. This article first appeared on Andy Worthington's blog. It has been posted to Links International Journal of Socialist Renewal with the author's permission.]