Rep. Matt Gaetz Matthew (Matt) GaetzLara Trump campaigns with far-right activist candidate Laura Loomer in Florida House to vote on removing cannabis from list of controlled substances The Hill's 12:30 Report: Sights and sounds from GOP convention night 1 MORE (R-Fla.) on Tuesday dismissed accusations that he was tampering with a witness when he appeared to threaten to expose alleged infidelities by Michael Cohen.

The earlier tweet from Gaetz came a day before 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 former attorney is to testify publicly before Congress.

"We’re witness testing not witness tampering," Gaetz told reporters just hours after sending a tweet about Cohen. "And when witnesses come before Congress, their truthfulness and veracity are in question and we have the opportunity to test them."

Rep. Matt Gaetz defended his tweet directed at Michael Cohen, saying it should not be perceived as a threat https://t.co/aYIcGo5zvO pic.twitter.com/YX5q6fkJnW — CBS News (@CBSNews) February 26, 2019

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Gaetz, an ally of Trump's, added that he thinks the public will learn a lot about Cohen during Wednesday's public testimony before the House Oversight and Reform Committee.

"I think my tweet speaks for itself," Gaetz said, before adding that people would have to "tune in tomorrow to find out" if he has any insight regarding Cohen's alleged extramarital relationships.

The Florida Republican earlier Tuesday appeared to suggest that Cohen had girlfriends and that those alleged infidelities would come to light.

“Hey @MichaelCohen212 - Do your wife & father-in-law know about your girlfriends?” Gaetz tweeted. “Maybe tonight would be a good time for that chat. I wonder if she’ll remain faithful when you’re in prison. She’s about to learn a lot…”

Hey @MichaelCohen212 - Do your wife & father-in-law know about your girlfriends? Maybe tonight would be a good time for that chat. I wonder if she’ll remain faithful when you’re in prison. She’s about to learn a lot... — Matt Gaetz (@mattgaetz) February 26, 2019

Cohen's lawyer, Lanny Davis, who is also a contributor to The Hill, responded by condemning Gaetz's "despicable lies and personal smears."

"We trust that his colleagues in the House, both Republicans and Democrats, will repudiate his words and his conduct," he said in a statement.

Rep. Bill Pascrell (D-N.J.) also called for the House Ethics Committee to investigate Gaetz for taking "to Twitter to intimidate a witness."

Cohen, who was sentenced to three years in prison after pleading guilty to bank and tax fraud and campaign finance violations, is giving private and public testimony before congressional committees this week.

Cohen will reportedly provide members of the Oversight panel with evidence that Trump played a part in criminal actions.

The Trump administration and the Republican National Committee have dismissed Cohen's credibility, with White House press secretary Sarah Huckabee Sanders saying that it's "laughable that anyone would take a convicted liar like Cohen at his word."