Sergei Millian, a naturalized American citizen who most recently headed a group called the Russian-American Chamber of Commerce, said he was in Moscow at the time the dossier accuses Trump of being involved with Russian prostitutes. Millian claims to have helped Trump recruit Russian investors, and he posted pictures of himself attending several black tie events during the inauguration.

He is the man, the people familiar with the unredacted dossier tell ABC News, who may have unwittingly described Trump’s alleged tryst, during a conversation with someone who was secretly reporting to Christopher Steele.

Senators Want to See What Kushner's Withholding | Committee to Investigate Russia