Rahmat Gul AP
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The British court document also confirmed that Washington research firm Fusion GPS, co-founded by former Wall Street Journal reporter Glenn Simpson, had been hired to conduct opposition research by one of Trump’s GOP primary opponents. Later, Democrats paid for the same research on Trump’s past and alleged Russian ties.

Fusion GPS contracted with Steele, who had once worked as an undercover spy in Moscow. The court document lifted a veil on Washington’s inner workings, with Steele laying out how Fusion briefed select reporters on the material for which it and Steele had been paid to gather.

“The journalists initially briefed at the end of September 2016 by the Second Defendant (Steele) and Fusion at Fusion’s instruction were from the New York Times, the Washington Post, Yahoo News, the New Yorker and CNN,” Steele’s lawyers said, adding that he “verbally and in person” briefed the first three organizations in mid-October and a reporter from Mother Jones via Skype.

These reporters were not shown the dossier, the lawyers noted, and received instead a “disclosure of limited intelligence regarding indications of Russian interference” in the campaign. The information was off the record, meaning it could be used for further research but not published nor attributed.

Simpson declined comment. Steele declined past attempts to discuss his dossier with McClatchy.

--Greg Gordon and special correspondent Peter Stone contributed.

Kevin G. Hall: 202-383-6038, @KevinGHall