Intelligence officials have described the inclusion as a mistake.
Western intelligence agents have described the militant, Saleh Ali Saleh Nabhan, as the ringleader of a Qaeda cell in Kenya responsible for the bombing of an Israeli hotel on the Kenyan coast in 2002.
United States intelligence officials have described the operation as a total failure, saying Mr. Agee, who broke publicly with the C.I.A. in the 1970's and is regarded by the agency as a traitor, was quickly identified, and his approach rebuffed.
Multiple intelligence reports have described the interference as an "influence campaign" that blended covert cyber operations, and overt propaganda and misinformation operations.
U.S. intelligence officials have described the targeting of state election systems as part of a wide-ranging effort by Moscow that also included propaganda efforts and hacking to sow discord during the 2016 campaign, boost Trump and disparage his Democratic rival, Hillary Clinton.
Among the senior intelligence officials who have described the current threat environment as the most worrying since the months before the Sept. 11 has been John E. McLaughlin, the acting director of central intelligence.
Gen. Michael V. Hayden, deputy director of national intelligence, has described the administration's philosophy in public and private meetings, including a session with human rights groups.
But Aamer's ordeal has one unique feature: he is the only prisoner to have described a UK intelligence agent being present while he was beaten.
Some of the revelations have described far-reaching intelligence-gathering capabilities.
"Redacted Tonight" airs weekly on RT America, the English-language channel financed by Russia that American intelligence agencies have described as the "Kremlin's principal international propaganda outlet". The program belongs to the television genre pioneered by "The Daily Show": A comedic take on the news of the day from an exasperated host and correspondents who mix commentary with jokes.
