Washington (CNN) President Donald Trump on multiple occasions raised with Deputy Attorney General Rod Rosenstein and Matt Whitaker, who was then-chief of staff to Jeff Sessions, whether the Justice Department was progressing in investigating Hillary Clinton, according to a source familiar with the matter.

The President also wanted his previous White House counsel, Don McGahn, to ask the Justice Department to prosecute Clinton on numerous occasions, but McGahn rebuffed doing that, the source said.

Anticipating the question about Clinton would be raised, Whitaker came prepared to answer with what Justice was doing on Clinton-related matters, including the Clinton Foundation and Uranium One investigations, the source said. The source added that Whitaker was trying to appease the President, but did not seem to cross any line.

The New York Times first reported on Trump's requests to McGahn to prosecute Clinton, as well as former FBI Director James Comey.

Reached Tuesday by CNN analyst Josh Campbell -- who formerly served as an aide to Comey at the FBI -- the fired director said he was shaking his head at reports the President wanted the Justice Department to investigate him, Campbell said on CNN's "Anderson Cooper 360."

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