The FBI released the memo that top intelligence officials, including former Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE, used to brief President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE on the dossier detailing Trump's possible connections with Russia, CNN reported Saturday.

The heavily redacted memo, shared Friday, is two pages long.

"An FBI source ... volunteered highly politically sensitive information ... on Russian influence efforts aimed at the US presidential election," CNN reported it saying.

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The dossier, known by the name of its writer, ex-British intelligence agent Christopher Steele, has been a subject of intense political debate around the investigation into Russian collusion and meddling in the 2016 election.

Republicans have pointed to the fact the opposition research by Fusion GPS was funded partly by Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE's presidential campaign and say the ties between Fusion GPS and top federal officials prove FBI leadership was biased against Trump.

The memo shared Friday does not mention the Steele dossier by name, but does allude to it.

"The source is an executive of a private business intelligence firm and a former employee of a friendly intelligence service who has been compensated for previous reporting over the past three years," the document said, according to CNN. "The source maintains and collects information from a layered network of identified and unidentified subsources, some of which has been corroborated in the past. The source collected this information on behalf of private clients and was not compensated for it by the FBI."

The memo was released by the FBI after a suit by public records advocacy group James Madison Project, aided by Politico as a result of a judge's order.