President TrumpDonald John TrumpTillerson: Russia already looking to interfere in 2018 midterms Dems pick up deep-red legislative seat in Missouri Speier on Trump's desire for military parade: 'We have a Napoleon in the making' MORE's eldest son on Friday night declared that the ongoing probe into ties between the Trump campaign and Russia during the presidential contest is a "witch hunt."

“Obviously, this has been a witch hunt, probably the greatest since the Salem witch trials,” Donald Trump Jr.Donald (Don) John TrumpTrump Jr. denies father is racist: Black leaders who criticize all 'have pictures with him' Bannon likely to meet next week with Mueller: report Meghan McCain: Melania is 'my favorite Trump, by far' MORE told Fox News's Tucker Carlson. 

“The interesting thing about it is the only collusion, the only shadiness, the only thing that has been discovered is what the prior administration, the [Democratic National Committee] and all of them have done," he asserted.

ADVERTISEMENT

The comments follow a push by Republicans for the release of a memo that GOP lawmakers say will reveal high-level government abuse surrounding the probe into allegations of collusion between the Trump campaign and Russia's election meddling.

Trump Jr. has become a subject in the federal and congressional probes into the matter due to his June 2016 meeting with a Russian lawyer and other campaign officials at Trump Tower.

Emails revealed the president's son agreed to the meeting after he was told he would receive damaging information on then-Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonTrump touts report Warner attempted to talk to dossier author Poll: Nearly half of Iowans wouldn’t vote for Trump in 2020 Rubio on Warner contact with Russian lobbyist: It’s ‘had zero impact on our work’ MORE

President Trump has referred to the probe as "the greatest witch hunt in American political history."