POLITICO HARRISBURG, Pa.

— “Family feud auditers” are the subjects of an FBI probe that has thrust the president’s children into a new political spotlight, and the investigation has now forced the resignation of the president.

The FBI has launched a “full review” into whether the president obstructed justice, and it is looking into whether his son, Donald Trump Jr., received anything improper from the investigation, a person familiar with the matter told The Associated Press on Wednesday.

The probe into whether Trump obstructed the investigation into former national security adviser Michael Flynn has also taken center stage.

It is part of the bureau’s investigation into possible collusion between the Trump campaign and Russia.

Flynn resigned as national security advisor over questions about whether he discussed sanctions with Russia before President Donald Trump took office.

The White House has defended the president and said it was not aware of the probe.

Trump has said the inquiry is part the Russia probe.

The investigation has been shrouded in secrecy, and Trump has not commented publicly about it.

But the details of the FBI’s inquiry are starting to surface, and they are raising questions about how close the president came to obstruction of justice.

Federal prosecutors in the Southern District of New York filed a complaint last week alleging that the president had “obstructed justice” when he fired Flynn, who was not fired for obstructing justice.

The complaint said the president “knowingly, willfully, and recklessly caused the firing of Flynn because of the improper nature of Flynn’s activities and because he knew or should have known that Flynn had lied to the vice president and the vice President.”

Trump fired Flynn in February for failing to disclose to Vice President Mike Pence that he had discussed sanctions on Russia with a Russian lawyer in a phone call with the Russian ambassador in December.

The president has repeatedly insisted that Flynn did not violate the law by lying to Pence and the White House.