The attorney for a pardoned former U.S. Navy sailor who is suing the Obama administration argued Wednesday that he expects to soon have proof that his client received disparate treatment from the Justice Department. 

Ronald Daigle said on "Fox & Friends" that he expects the Justice Department inspector general’s probe of the Hillary Clinton email case will be "exhibit #1" in his lawsuit. 

"We're hoping [the inspector general's report] is going to be exhibit number one, that here you go, here's how Hillary Clinton was treated and we seem to have a two-tier system of justice here that occurred under President Obama, [James] Comey and Loretta Lynch," Daigle said.

Kristian Saucier received a pardon from President Trump after serving a year behind bars for taking photos of classified areas in a nuclear submarine.

Artist Tackles Anthem Debate With Painting of Trump Holding Trampled Flag

During his campaign and after he took office, Trump drew attention to the handling of Saucier's case, describing it as politically motivated and contrasting it with Clinton’s mismanagement of classified information through a private email server.

Saucier, who served as a machinist's mate aboard the USS Alexandria and used his cellphone to photograph parts of the submarine's nuclear propulsion system, has repeatedly recognized that he made a mistake but maintained he meant no harm and only wanted to take photos as mementos.

In March, he said on "Fox & Friends" that the DOJ under Barack Obama used him as a scapegoat to "take the heat" off Clinton for mishandling classified information.

Daigle said he sent a letter to the DOJ in January requesting to discuss the lawsuit, but the department was not interested. Daigle said he hopes he and Saucier can testify before the Senate Judiciary Committee, chaired by Sen. Chuck Grassley (R-Iowa.)

"I think you're going to see such a disparity that it's going to be blatant."

Daigle has said that the lawsuit will also name former FBI Director James Comey as a defendant, among others.

He added that if Inspector General Michael Horowitz's report is handled properly, he won't pursue the lawsuit.

"We don't want money," he said. "We want justice. The president is trying to restore our faith in the justice system."

Watch more above.

Former Navy Sailor Pardoned by Trump: 'All I Ever Wanted to Do Was Serve My Country'

'It's Emotional to Me': Gold Star Dad Reveals Message From Pres. Trump at WH Ceremony

Gregg Jarrett: Possible Immunity for McCabe 'Puts James Comey on the Hot Seat'