Steele dossier

Checked on January 27, 2026
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Executive summary

The Steele dossier is a 2016 collection of memos by former British intelligence officer Christopher Steele alleging ties and kompromat between Donald Trump’s campaign and Russia; it was paid for by Fusion GPS while working for Democratic clients and published by BuzzFeed in January 2017 as unverified “raw intelligence” [1] [2]. The dossier contained a mix of claims later found to be unproven or false, some elements that aligned with broader findings about Russian interference, and has since become a political fulcrum used by both critics and defenders of the FBI and the Russia investigation [3] [2] [4].

1. Origins and composition: an opposition-research product framed as intelligence

Christopher Steele, a former MI6 Russia specialist, produced 17 memos summarizing reports from largely anonymous sources after being hired via Fusion GPS, which had been retained by lawyers for the Clinton campaign and the DNC, making the dossier an opposition-research product compiled into what Steele labeled “raw intelligence — not established facts” [1] [2] [5].

2. Publication and early fallout: BuzzFeed’s release and media criticism

BuzzFeed News published 35 pages of the dossier on January 10, 2017, without Steele’s permission, provoking journalist criticism for releasing unverified material while a judge later defended the publication under fair-reporting privilege because the dossier had entered official proceedings [1]. The leak amplified public attention and fed political narratives on both sides, with supporters of Trump calling it a hoax and opponents treating it as an investigative roadmap [2] [6].

3. What was corroborated, what was not: a mixed evidentiary record

Some high-level themes in Steele’s memos — notably that Russia conducted an influence campaign favoring Trump and sought contacts in his orbit — match subsequent intelligence assessments that Russia interfered in 2016, but many specific allegations, including the so-called “pee tape” and the claim that Michael Cohen traveled to Prague, were not proven and in some instances were directly contradicted by later investigations like Mueller’s [1] [2] [3]. Steele himself has defended core concerns while acknowledging the dossier contained unverified material [3].

4. Intelligence use and procedural consequences: the FBI, FISA, and IG findings

The FBI received Steele’s reporting and shared some of it with investigators and reporters; material from the dossier was used in part in FISA applications targeting Carter Page, a fact that drew intensive scrutiny and a 2019 DOJ Inspector General review that cited significant errors and omissions in the FBI’s handling of FISA applications and raised questions about reliance on the dossier [7] [8] [4]. Critics argue the bureau wrongly elevated unverified opposition research to justify surveillance, while defenders and some reporters contend the dossier was only one thread among many in the broader Russia probe [2] [5].

5. Legal fights, prosecutions, and the political afterlife

Efforts to discredit the dossier included Special Counsel and later inquiries such as John Durham’s probe and prosecutions of sources like Igor Danchenko, who was tried and later acquitted on charges of lying to the FBI about his sourcing, an outcome that complicated narratives about the dossier’s criminality and reliability [7] [5]. Political actors continue to weaponize the dossier: Republicans highlight alleged FBI misconduct and FISA errors to argue a partisan “spy” operation and Democrats point to corroborated Russian interference as validation of broader concerns; fundraising and litigation around disclosure of funding (and later FEC fines reported in some outlets) have further politicized the dossier’s provenance [4] [9].

6. What reasonable conclusions can be drawn — and what remains unsettled

The dossier should be treated as a mixture of raw, unverified reporting and some plausible context: it was not a finished evidentiary product and many sensational claims remain unproven or debunked, yet its central premise — that Russia sought to influence the 2016 election and cultivated contacts around Trump — aligns with broader intelligence conclusions [1] [2]. Reporting shows serious problems in how some government actors used the dossier, but assessing the full impact requires caution because investigations reached different findings on specific allegations and court outcomes like Danchenko’s acquittal limit definitive judgment on source-level criminality [8] [7] [10].

Want to dive deeper?
How did the DOJ Inspector General evaluate the FBI's use of the Steele dossier in FISA applications?
What parts of the Steele dossier have been corroborated by independent investigations and which have been disproven?
How did media organizations decide whether to publish the Steele dossier in 2017, and what ethical debates followed?