The inside story of how Vladimir Putin came to see America as an enemy.

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FRONTLINE tells the story of how Russian President Vladimir Putin came to see the United States as an enemy — and how U.S. intelligence came to believe he targeted the 2016 presidential election.

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Funding for FRONTLINE is provided through the support of PBS viewers and by the Corporation for Public Broadcasting. Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation and the Ford Foundation. Additional funding is provided by the Abrams Foundation, the Park Foundation, The John and Helen Glessner Family Trust, and the FRONTLINE Journalism Fund with major support from Jon and Jo Ann Hagler on behalf of the Jon L. Hagler Foundation.