Republican political consultant Roger Stone is scheduled to appear in federal court Tuesday morning in Washington, D.C. He has said he'll plead not guilty to obstruction and other charges unsealed last week.

Stone was arrested Friday in South Florida but the grand jury that indicted him operates in the nation's capital, so he could eventually face trial in Washington.

Stone was indicted on one count of obstructing a proceeding, five counts of making false statements to Congress and one count of witness tampering — prosecutors allege that he tried to persuade another witness to lie to Congress, too.

Stone says he's done nothing wrong and he has complained about his treatment from the FBI and from the Justice Department since his arrest. He used a series of media appearances to declare that he's been wronged and to vow to fight the charges.

Stone also rejected the idea that he had any inside line to WikiLeaks, which released materials in 2016 stolen by Russia's military intelligence agency, or that he was part of a conspiracy to help swing the 2016 election for Donald Trump.

"All I did was take publicly available information and try to hype it to get it as much attention as possible," he said Sunday during an interview with ABC News.

Stone has acknowledged much of the substance of the indictment unveiled last week: He heard from Trump's top political lieutenants, including deputy campaign chairman Rick Gates and, later, top campaign boss Steve Bannon, about WikiLeaks' intentions for the 2016 race.

Stone also acknowledged talking on the phone with Trump himself, but said all these contacts were "benign" and that all he's done is be the political professional he's always been.

Stone also told ABC Sunday that he might be open to cooperating with the office of special counsel Robert Mueller but then told TV crews outside his home on Monday that he now has no intention of entering into any kind of plea deal with the Justice Department.

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