House Intelligence Committee Republicans have launched “Phase 2” of their probe into the origins of the unverified anti-Trump dossier, firing off an inquiry to a host of current and former officials — including former FBI Director James Comey.

In a letter obtained by Fox News, committee Chairman Devin Nunes, R-Calif., posed a string of dossier-related questions to current and former intelligence, law enforcement and State Department officials.

He specifically wants to know when they learned the document was funded by Democratic sources, and how it was used to obtain one or more surveillance warrants at the secret Foreign Intelligence Surveillance Court.

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