The outgoing president announced 73 pardons, with the former fundraiser who aided his efforts in 2016 among them.
According to the Associated Press, the U.S. Attorney's Office in Brooklyn sent a subpoena to Trump's inaugural committee seeking records connected with Elliott Broidy.
The report follows a raid on the office of the president's personal lawyer.
Elliott Broidy reportedly suggested nominees, including his personal lawyer.
Qatari officials reportedly decided against sharing the details with Mueller to avoid damaging relations with the Trump administration.