McCain defends giving dossier to Comey: 'I would do it again'

Sen. John McCainJohn Sidney McCainHow House Republicans scrambled the Russia probe The Hill's 12:30 Report The Hill's Morning Report - Sponsored by CVS Health - A pivotal day for House Republicans on immigration MORE (R-Ariz.) wrote in his upcoming memoir that he does not regret alerting the FBI about the so-called Steele dossier, which details President TrumpDonald John TrumpMexican presidential candidate vows to fire back at Trump's 'offensive' tweets Elizabeth Warren urges grads to fight for 'what is decent' in current political climate Jim Carrey takes aim at Kent State grad who posed with AR-10 MORE’s alleged ties to Russia.

McCain acknowledged in January 2017 that he delivered a dossier of “sensitive information” to then-FBI Director James ComeyJames Brien ComeyAfter year of investigation, Trump can rightly claim some vindication Trump-Russia probe marks one-year anniversary: This is what it has accomplished Trump: McCabe should be under investigation for ties to Clinton MORE.

In his upcoming book, "The Restless Wave: Good Times, Just Causes, Great Fights, and Other Appreciations," McCain wrote that he "did what duty demanded I do" in passing on the documents.

ADVERTISEMENT

“I discharged that obligation, and I would do it again. Anyone who doesn’t like it can go to hell,” McCain said, according to excerpts of the book published by The Guardian.

He added that any risk that the president might be compromised by Russians "had to be investigated."

The Steele dossier has been at the center of investigations into Russian meddling in the 2016 election conducted by congressional committees and special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE. Trump has repeatedly called the latter's probe a "witch hunt" and a "hoax."

The document has been a source of controversy, as it was funded partly by the Democratic National Committee and Hillary ClintonHillary Diane Rodham ClintonTrump Jr. met with Gulf adviser who offered help to win election: report Voters Dems need aren't impressed by anti-waterboarding showboating After year of investigation, Trump can rightly claim some vindication MORE’s presidential campaign.

It started out as an opposition research document funded by the conservative website The Washington Free Beacon.

The dossier contains claims about Trump's ties to Russia, including some salacious allegations about the president. Some of the claims have not been verified.

Comey, who was fired in May 2017, has said that Trump was fixated on disproving some of the more scandalous claims in the dossier.