With the Mueller report complete, FRONTLINE’s “The Mueller Investigation,” tells the inside story of how we arrived at this moment. The film goes inside President Trump's confrontations with the Department of Justice and the FBI in the early days of the Russia investigation, and explores the president’s attempt to undermine authorities as Mueller’s investigation heated up. 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.