"For the Democrats to interview in open hearings a convicted liar & fraudster, at the same time as the very important Nuclear Summit with North Korea, is perhaps a new low in American politics and may have contributed to the 'walk'", Trump said on Twitter.
Trump said on 28 February that Cohen had been incorrect in his testimony to Congress this week and had "lied a lot", adding that holding Cohen's hearing during the US-North Korea summit was wrong.
READ MORE: Most US Voters Doubt Credibility of Cohen's Congressional Testimony — Poll
Cohen has been sentenced to three years in prison for financial crimes that include tax fraud and hush-money payments to two women Trump allegedly had affairs with in violation of campaign finance laws, as well as lying to Congress.