House Intelligence Committee Chairman Rep. Devin Nunes Devin Gerald NunesSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Sunday shows preview: With less than two months to go, race for the White House heats up Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-Calif.) is demanding the original FBI document that outlines the bureau's reasoning for opening a counterintelligence investigation into the 2016 Trump campaign's alleged connections to Russia.

His deadline for the Department of Justice (DOJ) and FBI to provide the unredacted document is April 11. In a letter sent Wednesday to Deputy Attorney General Rod Rosenstein Rod RosensteinDOJ kept investigators from completing probe of Trump ties to Russia: report Five takeaways from final Senate Intel Russia report FBI officials hid copies of Russia probe documents fearing Trump interference: book MORE and FBI Director Christopher Wray, Nunes threatened to take legal action if the agencies do not comply, noting that the committee issued subpoenas in August that "remain in force."

According to Nunes, the previous response to his request was a "heavily redacted version" of the document, which Nunes called "unsatisfactory."

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Nunes also requested unrestricted access to four Federal Intelligence Surveillance Act (FISA) applications the DOJ used to obtain a warrant to spy on former Trump campaign adviser Carter Page.

The application was at the center of a controversial committee memo written by Nunes and the panel's Republican majority that claimed the DOJ had improperly obtained the warrant by using information contained in a salacious dossier of opposition research on then-presidential candidate Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE.

Republicans have declared the House committee's investigation into Russian interference concluded without evidence of collusion by the Trump campaign. Some Democrats on the committee have said they will continue the investigation.