The story of Sergei Millian illustrates the challenge confronting the FBI as it seeks to separate fact from fiction.
"Who Is ‘Source D’? The Man Said to Be Behind the Trump-Russia Dossier’s Most Salacious Claim." is from the March 29, 2017 Politics section of The Washington Post. It was written by Rosalind S. Helderman and Tom Hamburger and narrated by Jenny Hoops.