An attorney for Michael Cohen says the former longtime personal lawyer to President TrumpDonald John TrumpDem lawmaker says Electoral College was 'conceived' as way to perpetuate slavery Stanley Cup champion Washington Capitals to visit White House on Monday Transportation Dept requests formal audit of Boeing 737 Max certification MORE will detail "bigoted" language and other features of working for Trump when he speaks to House and Senate committees in the coming weeks.

Lanny Davis told ABC News in an interview released Tuesday that his client will be able to detail Trump's character behind the scenes for lawmakers when he publicly testifies before the House Oversight and Reform Committee.

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"He treats people badly," Davis said of Trump, according to ABC. "He has no moral character in defrauding people in his businesses, and going bankrupt, and taking cash out, and putting people out of work. He lacks the moral compass that we expect in our presidents."

Davis also told ABC about "how [Trump] speaks in bigoted words in private, which Michael Cohen will tell you," according to the report.

"He needs to tell his personal story to the American people," Davis, who has been an opinion contributor for The Hill, added in the interview. "And when he does, you're going to hear personal, front-line experiences of memories, and incidents, and conduct, and comments that Donald Trump said over that 10-year time period behind closed doors that, to me when I first heard Michael tell me all this, even as much as I knew about Trump that was negative, was chilling."

Cohen is set to testify before several congressional panels before he reports to prison on March 6.

The former Trump lawyer has committed to testify before the Oversight and Reform Committee as well as the Senate and House intelligence committees before the end of the month. Only his testimony before the Oversight panel will be public.

Cohen was sentenced to three years in prison for a series of crimes he committed while working for Trump, including tax and bank fraud as well as campaign finance violations related to payments made to Stormy Daniels and Karen McDougal, two women who claimed to have had affairs with Trump and threatened to come forward during the 2016 presidential race.

Trump denied last year that he had directed Cohen to make the payments to the women in violation of campaign finance rules.

“I never directed Michael Cohen to break the law,” Trump tweeted in December.

“He was a lawyer and he is supposed to know the law. It is called ‘advice of counsel,’ and a lawyer has great liability if a mistake is made. That is why they get paid.”