Canadian Security Intelligence Service

The Canadian Security Intelligence Service (CSIS) appears in the account as a Canadian intelligence agency whose personnel interviewed detainees at Guantánamo. Its role is documented most clearly in connection with Omar Khadr: Canada's highest court found that interrogations involving CSIS and foreign-affairs officials violated fundamental rights. A separate reference to Mohamedou Ould Slahi is more tentative, identifying possible CSIS agents in a redacted passage rather than establishing their identity with certainty.

Reported Interviews at Guantánamo

A note accompanying the censored manuscript proposes that unidentified people in a passage may have been CSIS agents. The basis offered is a Toronto Star report that CSIS agents interviewed detainees with Canadian ties at Guantánamo in February 2003, including Slahi. The note supports the possibility that the agency interviewed him; it does not establish that the people in the redacted passage were CSIS personnel or disclose what any such interview involved.

The distinction matters because the manuscript’s black bars conceal information while leaving the reader to assess surrounding context. The annotation makes an identification plausible by connecting the passage to public reporting, but presents it as a possibility, not a recovered fact. It therefore places CSIS within the account of Canadian intelligence activity at Guantánamo without resolving the censored passage itself.

The Khadr Interrogations and Court Finding

The evidence concerning Omar Khadr is more specific. In 2010, the Supreme Court of Canada found that interrogations of Khadr by CSIS and Foreign Intelligence Division officials from the Department of Foreign Affairs and International Trade—in February and September 2003 and March 2004—violated the Canadian Charter of Rights and Freedoms. The finding concerned the conditions and purpose of the questioning: Khadr was a youth held without access to counsel, and officials knew he had been subjected to sleep deprivation while seeking statements about serious criminal charges.

The court also emphasized that the officials knew the products of the interrogations would be shared with prosecutors. Its decision described the deprivation of Khadr’s liberty and security as inconsistent with fundamental justice and the questioning as contrary to basic Canadian standards for detained youth suspects. CSIS is thus identified not merely as an agency reported to have interviewed detainees, but as one of the Canadian bodies whose agents participated in questioning examined by the court.

Evidence, Redaction, and Limits

The account distinguishes between public reporting and a judicial finding. The Slahi annotation relies on a news report to suggest that CSIS may have been involved in an interview; the Khadr passage recounts a court’s conclusion about interrogations by Canadian officials. These are different kinds and strengths of evidence, and they do not establish the same claims about CSIS’s activities.

The editorial notes explain that annotations around redactions draw on manuscript context, information elsewhere in the text, declassified documents, reporting, and public investigations. They also state that the notes do not attempt to reconstruct the original censored wording or uncover classified material. Applied to CSIS, this approach leaves the Slahi identification qualified while allowing the publicly reported Khadr ruling to be presented directly. The cited material documents particular Guantánamo interviews and interrogations; it does not provide a broader account of CSIS’s structure, general mandate, or other operations.