President Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE on Saturday said "many are now finding out" there is proof of corruption at the highest levels of the FBI, in a tweet that followed the firing of Deputy Director Andrew McCabe Andrew George McCabeGraham: Comey to testify about FBI's Russia probe, Mueller declined invitation Barr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' GOP votes to authorize subpoenas, depositions in Obama-era probe MORE.

The president's latest comments double down on past criticism of the top law enforcement bureau over alleged bias and botched investigations. He also targeted the State Department, where last week he fired Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE, and the Justice Department, accusing all three agencies of "tremendous leaking, lying and corruption."

"As the House Intelligence Committee has concluded, there was no collusion between Russia and the Trump Campaign. As many are now finding out, however, there was tremendous leaking, lying and corruption at the highest levels of the FBI, Justice & State," Trump tweeted.

As the House Intelligence Committee has concluded, there was no collusion between Russia and the Trump Campaign. As many are now finding out, however, there was tremendous leaking, lying and corruption at the highest levels of the FBI, Justice & State. #DrainTheSwamp — Donald J. Trump (@realDonaldTrump) March 17, 2018

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McCabe was fired on Friday night by Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsGOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status MORE, who said an internal review found he lacked "candor" with investigators and shared unauthorized information with media.

McCabe, a senior agent who had been with the bureau for over 20 years, said his firing was an attempt to discredit him as a possible witness in the special counsel investigation into alleged collusion between the Trump campaign and Russia.

The FBI Agents Association stated Saturday that “personnel decisions should never be politicized," an apparent response to the administration's public criticism of McCabe. Trump tweeted early Saturday that McCabe's ouster was "a great day for democracy."

In another tweet on Saturday, he brought up former FBI Director James Comey James Brien ComeyDemocrats fear Russia interference could spoil bid to retake Senate Book: FBI sex crimes investigator helped trigger October 2016 public probe of Clinton emails Trump jabs at FBI director over testimony on Russia, antifa MORE, a close associate of McCabe's who Trump also fired last year.

"How many lies? How many leaks? Comey knew it all, and much more!" Trump tweeted.

The Fake News is beside themselves that McCabe was caught, called out and fired. How many hundreds of thousands of dollars was given to wife’s campaign by Crooked H friend, Terry M, who was also under investigation? How many lies? How many leaks? Comey knew it all, and much more! — Donald J. Trump (@realDonaldTrump) March 17, 2018

McCabe had long been criticized by Trump and Republicans for his wife's state Senate campaign in Virginia in 2015. She received a campaign donation from then-Virginia governor and Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE ally Terry McAuliffe (D). Her husband subsequently led the FBI investigation of Clinton's use of a private email server during her time as secretary of State, although he went on to recuse himself from the investigation before the presidential election.

Trump's tweets also reference a recommendation by Republican members of the House Intelligence Committee for the panel to conclude its investigation into the Russia matter due to lack of evidence that Trump's campaign colluded. Democrats on the panel dispute that conclusion.