The Great Chicago Conspiracy Circus(1970)

Overview:

This bizarre amalgam of "Alice in Wonderland" and the transcripts of the Chicago 7 Trial makes for an interesting commentary on the American judicial system. - IMDB A feature film made at the time of the trial, based on the trial transcript and distributed by New Line Cinema, The Great Chicago Conspiracy Circus, by Cannes-winning director Kerry Feltham, was released in January 2008 on DVD. The film won the Berlin Film Festival jury prize, as well as positive reviews from the New York Times and Newsweek. - Wikipedia