Andrew McCabe. REUTERS/James Lawler Duggan The man who has replaced fired FBI Director James Comey has been heralded by the bureau's leaders for his long career investigating organized crime and domestic terrorism.

But the fallout from the investigation of Hillary Clinton's use of a private email server while she was secretary of state may still damage the credibility of Andrew McCabe, the acting director, who will serve until a successor is appointed and confirmed by the Senate.

Earlier this year, the Justice Department's inspector general announced a probe of the FBI's handling of the Clinton email investigation.

Among the points of inquiry was whether McCabe should have recused himself from the case because of his family's political ties.

Before McCabe was promoted to deputy FBI director, his wife, Jill, took money from Clinton ally and Virginia Gov. Terry McAuliffe's political action committee while running for state Senate.

The Washington Post reported that McCabe alerted a department ethics official at the time of the donation.

McCabe has occasionally found himself in the center of criticism from across the political spectrum.

Earlier this year, McCabe told President Donald Trump's chief of staff, Reince Priebus, that a New York Times report about the FBI's examination of the campaign's ties to Russia was inaccurate. That prompted Priebus to ask the FBI to rebut the story publicly, but the FBI declined.

Some Democrats criticized the White House for attempting to pressure the FBI to speak out during an ongoing investigation.

It's unclear whether the inspector general's probe will conclude during McCabe's tenure as acting director.

Fox News' Sean Hannity, who has advised Trump throughout his campaign and presidency, said on Tuesday that the new FBI head would be appointed within days.