The 50-year-old former Justice Department lawyer, was named by Trump after the president fired James Comey. Wray will appear before the Senate Judiciary Committee Wednesday, and will ultimately require a majority of 51 votes to be confirmed by the full senate.
Mr Wray's confirmation hearing took place amid continuing controversy over the Trump administration's links with Russia, following confirmation by Donald Trump jnr that he attended a meeting with a Russian attorney under the pretext of receiving incriminating material on Ms Clinton from the Russian government.
"I believe to my core that there's only one right way to do this job", Wray said during his confirmation hearing before the Senate Judiciary Committee.
Initially, Trump cited a letter from the deputy attorney general detailing Comey's handling of the Clinton email investigation.
Wray even said it would be "highly unlikely" he would agree to meet Trump in a one-on-one situation, as Comey reluctantly did.
"The FBI is one of the most powerful tools available to the president, and from what we've seen from the White House, they may be expecting your loyalty as the president did with Director Comey", said Sen.
U.S. Sen. Lindsey Graham delivered a hard line of questioning this morning for President Donald Trump's pick to head the Federal Bureau of Investigation, including getting him to discount charges of the Russian Federation probe as a "witch hunt". Wray began by saying that there is an IG investigation into Director Comey.
Mr. Way said the compliment meant a lot to him.
The FBI's work will be driven only by "the facts, the law and the impartial pursuit of justice", he said, asserting his independence.
Christopher Wray REX Shutterstock
Wray was nominated after Comey was sacked two months ago.
Wray went on to praise Mueller for his past experience with him.
He also addressed an investigation into Russian meddling in the USA presidential election. The Justice Department inspector general concluded Wray supported the detentions and, along with another federal official, told prison authorities to "not be in a hurry" to give the men access to lawyers or family visits.
That doesn't mean Wray won't have to field a few tough questions, and the toughest might be this: Why does he want the job at all?
"I think it would be wise", he said.
Trump shared highly classified information with Russians; Wray says it'd be extremely unsafe to share classified information that could put USA sources overseas at risk.
Earlier on Wednesday, Mr Trump, who is due to fly to Paris for meetings with French president Emmanuel Macron to coincide with Bastille Day, tweeted about his son's appearance on Fox News on Tuesday night.
"It would depend on the circumstances", he said.
He served the government at a time when harsh interrogation techniques were approved within the Justice Department for terror suspects captured overseas, although Mr Wray said he was never involved in signing off on those methods.
So expect Wray to be asked a couple of times about his loyalties and independence.
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