The source said it appears that one area of interest for Southern District of New York investigators is whether donors paid vendors directly for anything related to the inauguration.
The intention, first reported by ABC News, suggests that beyond special counsel Robert Mueller there is continued scrutiny of people connected to President Donald Trump.
A spokesperson for the US Attorney’s Office for the Southern District of New York declined to comment.
Tom Barrack, the inaugural committee’s chairman, also declined to comment.
This is a breaking story and will be updated.