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 Tuesday 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’s attacks on the FBI are making Americans less safe.

Comey said in an interview with The Associated Press that Trump was undermining public confidence in institutions like the FBI and preventing the agency from being able to do its job.

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“To the extent there’s been a marginal decrease in their credibility at that doorway, in that courtroom and in thousands of other ways, their effectiveness is hit. So it’s hard,” Comey told the news service.

“You’re not going to be able to see it, but logic tells me that it’s there, which is why it’s so important that we knock it off as a political culture,” he continued.

Trump, who fired Comey last May, has repeatedly attacked the FBI in recent months.

He tweeted last year that the bureau’s reputation was “in tatters — worst in history” and has also lashed out at former FBI officials like Comey and 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, whom 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 fired earlier this year.

Comey has been critical of Trump both in his new book and during his book tour, calling the president "morally unfit" to lead the country.