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 accused 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 on Wednesday of trying to damage the reputation of the U.S. justice system "because he saw it as a threat."

"I don't think that we've seen in the history of our country, the president try to burn down an institution of justice because he saw it as a threat," Comey told NBC's Lester Holt. "And the lies he told, forget about me, the lies he told about the agents of the FBI, 'storm troopers,' the lies he told about Bob Mueller, were terrible."

But Comey added that any "damage" to the Justice Department's reputation, particularly the FBI, had been worth it.

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"[I]n the long run, the institutions will be fine, because the American people know them and also know this president, know what he's like," he continued, referring to Trump.

Comey also told Holt that he believes his 2017 firing by Trump was "potentially obstruction of justice."

"I thought that's potentially obstruction of justice and I hope somebody is going to look at that," Comey said. "Again, the president appears to be saying, I don't know what's in his head — which is why I can't reach the conclusion — what he appears to be saying is, 'I got rid of this guy to shut down an investigation that threatened me.'"

Special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE was appointed to his role in 2017, eight days after Comey's firing. Comey was leading the FBI's investigation into Russian election interference and possible coordination between the Trump campaign and Russia.

Mueller submitted the conclusions of his report on Friday, but found no evidence of coordination between Trump and the Kremlin.

Attorney General William Barr Bill BarrProsecutor says no charges in Michigan toilet voting display Judge rules Snowden to give up millions from book, speeches The Hill's Morning Report - Sponsored by Facebook - Washington on edge amid SCOTUS vacancy MORE said Mueller's report did not provide sufficient evidence for an obstruction of justice charge. Mueller's report, however, did not exonerate Trump.

Comey said Mueller's conclusion about there being no collusion was "good news no matter what party you're associated with."