From Daily Beast:

Lev Parnas, an indicted associate of Rudy Giuliani, helped arrange meetings and calls in Europe for Rep. Devin Nunes in 2018, Parnas’  lawyer Ed MacMahon told The Daily Beast.

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The travel came as Nunes, in his role on the House Intelligence Committee, was working to investigate the origins of Special Counsel Robert Mueller’s probe into Russian election meddling.