Stormy Daniels's attorney, Michael Avenatti, on Monday said he will be releasing a sketch of the man who Daniels claimed threatened her in a parking lot in 2011 after she tried to sell her story about her alleged affair with President TrumpDonald John TrumpJoe Arpaio loses bid for his old position as sheriff Trump brushes off view that Russia denigrating Biden: 'Nobody's been tougher on Russia than I have' Trump tees up executive orders on economy but won't sign yet MORE.

Avenatti said the sketch would be released on Tuesday and that there would be a significant reward offered to identify the person.

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"A composite sketch has been produced. We're going to be releasing that tomorrow, along with a significant reward. We are asking that the public come forward. We are very close to identifying this individual," Avenatti told CNN's Alisyn Camerota on "New Day." 

"We are going to offer a significant reward to get us over the goal line, and I am confident we are going to get there," he continued. 

Avenatti would not say whether he shared the sketch with police. 

Daniels, whose real name is Stephanie Clifford, claimed in a "60 Minutes" interview last month that she was threatened after she agreed to discuss her alleged affair Trump with In Touch magazine in 2011.

"A guy walked up on me and said to me, 'Leave Trump alone. Forget the story,' " Daniels said. "And then he leaned around and looked at my daughter and said, 'That’s a beautiful little girl. It'd be a shame if something happened to her mom.' And then he was gone."

Daniels said she has not seen the man since, but said she would recognize him if she did.

The alleged incident occurred after Daniels agreed to an interview with a sister publication of In Touch for $15,000.

Avenatti said he believed the threat against Daniels originated from someone in connection with Trump or the Trump Organization. 

"I think it's pretty clear where it came from," he said.

Avenatti said the sketch was done by forensic artist Lois Gibson. He shared a photo of Daniels on Sunday sitting with Gibson.

Daniels filed the suit last month claiming that a nondisclosure agreement she signed regarding the alleged affair is invalid because Trump never signed it.

Her alleged 2006 affair with Trump made headlines in January when The Wall Street Journal reported that Trump's personal attorney, Michael Cohen, paid her $130,000 in “hush money.”

Trump broke his silence on the allegations for the first time last week, telling reporters that he had no knowledge of Cohen's payment.

Morgan Gstalter contributed.