The Republican congressman is under investigation for alleged sex trafficking and allegedly having a sexual relationship with a 17-year-old girl.
Albert Pirro, who has represented Trump in real estate deals, was convicted of tax evasion in 2000.
“The pardons from this President are what you would expect to get if you gave the pardon power to a mob boss...”
Trump pardoned son-in-law Jared Kushner's father, whose crimes included hiring a prostitute to seduce his brother-in-law, filming it and giving it to his sister.
The president pardoned more than a dozen people, including three corrupt former congressmen and two subjects of the Russia investigation.
George Papadopoulos and Alex van der Zwaan, figures in the Mueller probe, as well as former Reps. Duncan Hunter and Chris Collins, were granted clemency.
An investigation into an alleged bribery-for-pardons scheme reportedly scrutinized a lawyer for Jared Kushner and a top Trump campaign fundraiser.
The pardons could benefit Donald Trump Jr., Eric Trump and Ivanka Trump, as well as son-in-law Jared Kushner.
The federal court's opinion stated that the government could access certain information not protected by attorney-client privilege, pointing to possible charges.
Fox News host didn't specify what criminal charges the Trumps could be up against.