But the F.B.I. did not open the investigation based on the dossier, and the final report by the special counsel, Robert S. Mueller III, did not cite anything in it as evidence. The F.B.I. did cite some claims from the dossier in applying for court permission to wiretap a former Trump campaign adviser with ties to Russia.
The Spread of Misinformation and Falsehoods
The dossier grew out of opposition research indirectly funded by Hillary Clinton’s presidential campaign and the Democratic National Committee. Their law firm, Perkins Coie, contracted with the research firm Fusion GPS, which subcontracted research about Trump business dealings in Russia to a company run by Christopher Steele, a former British intelligence agent.
Mr. Steele in turn subcontracted to Mr. Danchenko, a Russian-born analyst living in the United States, who canvassed people he knew, including in Europe and Russia. Mr. Danchenko verbally relayed what the analyst later called “raw intelligence” — essentially uncorroborated gossip — to Mr. Steele, who drafted the dossier.
A bureau counterintelligence analyst determined Mr. Danchenko’s identity and the F.B.I. first spoke to him in early 2017, during which he said he had not seen the dossier until BuzzFeed published it. Its tenor was more conclusive than was justified, he said, and he portrayed the blackmail tape story as mere rumor and speculation.
Mr. Danchenko talked to the F.B.I. for hours about what he had gathered, and court filings by Mr. Durham disclosed that the bureau formally deemed him a confidential human source.
An inspector general report revealed in late 2019 that Mr. Danchenko’s interview had raised doubts about the credibility of the dossier and criticized the bureau for failing to tell that to a court in wiretap renewal applications that continued to cite it. The report essentially portrayed Mr. Danchenko, whom it did not name, as a truth-teller, and the F.B.I. as deceptive.
But after further investigation, Mr. Durham accused Mr. Danchenko of deceiving the F.B.I. — including by concealing that a public relations executive with ties to Democrats, Charles Dolan, had been his source for a minor claim involving office politics in the Trump campaign. That assertion made its way into the dossier.
