Donald Trump Jr. Don John Trump'Tiger King' star Joe Exotic requests pardon from Trump: 'Be my hero please' Zaid Jilani discusses Trump's move to cancel racial sensitivity training at federal agencies Trump International Hotel in Vancouver closes permanently MORE said there are people in government who have conspired against President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE's agenda and won't let "America be America" during a speech in Florida on Tuesday, CNN reported.

"There is, and there are, people at the highest levels of government that don't want to let America be America," the president's son said at Turning Point USA Student Action Summit, a conference for young conservatives in West Palm Beach, Fla., according to CNN.

During the speech, Trump Jr. reportedly slammed the federal investigation led by special counsel Robert Mueller into Russian meddling in the 2016 election.

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Trump Jr. suggested the investigation was intent on damaging his father's presidency, amid mounting Republican scrutiny over Mueller's political agenda.

"My father talked about a rigged system throughout the campaign, and people were like, 'Oh, what are you talking about?' " Trump Jr. said, according to CNN. "But it is. And you're seeing it."

Republican anger over Mueller's probe was renewed following the revelation that an FBI agent had expressed anti-Trump sentiments in a text with a colleague.

Mueller removed the agent after he learned of the texts, but Republicans and Trump himself have been quick to accuse the FBI of being biased against the president.