The president made the comment during an unrelated press conference with Romanian President Klaus Iohannis.
The website for Columbia Law School professor Daniel Richman says he "is currently an adviser to FBI Director James B. Comey."
The former FBI director will speak about his interactions with Trump, including how the president demanded loyalty and made other requests.
Some ex-FBI agents said Wray must show he is not beholden to the Trump administration amid the "swirl of allegations" regarding Trump and Russia.
The NSA director and National Intelligence Director Dan Coats responded to media reports that Trump had tried to interfere with the FBI's Russia investigation.
Brennan has said he doesn't think President Trump "has a full appreciation of Russian capabilities."
To fill appointments, Trump keeps turning to the law firm Kasowitz, Benson, Torres and Friedman, which has represented him for years.
Routine warrantless surveillance of ordinary Americans and "back door" searches must stop.
Former FBI Director James Comey had been scheduled to speak at the Senate Intelligence Committee hearing before his firing.
The Department of Justice's Office of the Inspector General is looking into why McCabe did not recuse himself from the investigation into Hillary Clinton's use of a private email server.
Russian Foreign Minister Sergey Lavrov laughed off a question about the firing of FBI Director James Comey.
The firing of James Comey could jeopardize the bureau's probe into alleged collusion between the Trump campaign and Moscow, former FBI supervisors say.
The filmmaker behind 'Silence of the Lambs' and 'Philadelphia' succumbs to cancer.
His allies believe he's the country's best hope for exposing the truth about Russia's election tampering and possible collusion with Trump's people.
Officials from the Obama White House and the Justice Department stopped him from writing an op-ed on the topic, two sources say.