Directed by Mike Gray*
Cicero March was released on DVD as a bonus on the Facets label’s Film Registry title The Murder of Fred Hampton (1971/2021), which is out of print but available on Amazon.
Cicero March can be seen on YouTube.
*There is no credited director for this film, and neither IMDb nor Wikipedia list a director. Mr. Gray, who is credited with the sound for the film, is named as the director on the Facets DVD packaging.