Federal investigators are reportedly looking into donations to President TrumpDonald TrumpOhio Republican who voted to impeach Trump says he won't seek reelection Youngkin breaks with Trump on whether Democrats will cheat in the Virginia governor's race Trump endorses challenger in Michigan AG race MORE's inauguration from donors with links to foreign entities.
Sources told ABC News that special counsel Robert MuellerRobert (Bob) MuellerSenate Democrats urge Garland not to fight court order to release Trump obstruction memo Why a special counsel is guaranteed if Biden chooses Yates, Cuomo or Jones as AG Barr taps attorney investigating Russia probe origins as special counsel MORE's team has questioned several inauguration donors with personal or business connections to Russia, Saudi Arabia, the United Arab Emirates and Qatar.
Mueller's team has also interviewed longtime Trump friend Tom Barrack, who oversaw the inauguration fundraising efforts, and also operates a fund with hundreds of millions in real estate and other holdings in the Middle East.
Barrack brought in more than $107 million for Trump’s inauguration.
Multiple donors who gave up to $1 million to the Trump inauguration fund have links to the named countries, according to public records reviewed by ABC.
Mueller’s team has reportedly been asking witnesses about Leonard Blavatnik and Andrew Intrater, two American businessmen who made major donations to the inauguration and have business ties to Russia, according to ABC News.
Mueller is investigating whether the Trump campaign colluded with Russia, and has so far indicted 13 Russian nationals and three Russian groups on charges related to meddling in the election.
He has also charged a number of former Trump campaign officials on criminal financial charges unrelated to their work on the campaign.
Updated at 12:13 p.m.