Dershowitz acknowledged that he had said during the impeachment of then-President Clinton that a technical crime was not required to impeach but said he has since done research that has changed his mind on the issue.

Dershowitz, an opinion contributor for The Hill, also directly touched on allegations included in former national security adviser's forthcoming book. Bolton, according to The New York Times, claims that Trump tied Ukraine aid to the country helping with investigations into Democrats, including former Vice Presidentand his son Hunter Biden.