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 said in an interview Sunday night that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE treated women like "meat" and is morally unfit to be president.

Comey, in an exclusive interview with ABC News chief George Stephanopoulos, blasted the president during his first television interview since he was fired last May, describing him as a serial liar and a “stain” on everyone who worked for him.

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"I think he's morally unfit to be president," Comey told Stephanopoulos.

"A person who sees moral equivalence in Charlottesville, who talks about and treats women like they're pieces of meat, who lies constantly about matters big and small and insists the American people believe it, that person's not fit to be president of the United States, on moral grounds," he continued.

Comey’s interview coincided with the release of his book, “A Higher Loyalty: Truth, Lies, and Leadership,” which details his interactions with the president and the fallout from the 2016 presidential campaign.

In the days since the first excerpts of Comey’s book were released, Trump has lashed out at the former FBI director, labeling him a “leaker and liar,” a “slimeball” and “worst FBI Director in history, by far!”

Trump fired Comey last May. His ouster from the FBI led to the appointment of special counsel Robert Mueller to lead the investigation into Russian meddling in the 2016 presidential campaign.