Character assassination by the book, starting with children telling emotional stories, some "homophobia" and "antisemitism", and ending with Trump references.
Before you find out anything real about Roy Cohn you definitely know he is the most awful person in the USA, worst than Stalin, constantly repeated, over and over. ALL of the people interviewed are biased, at least politically, or with a personal vendetta.
They also try to imply that the Rosenbergs were somewhat victims even though KGB archives proved them to be spies.