The Martyred Presidents 123 years old

This film is difficult to classify. It opens on a scene showing a mourner with bowed head sitting in front of what appears to be a tombstone. Shortly afterwards, the face of Abraham Lincoln and then of two other presidents, Garfield and McKinley, can be seen on the monument and then they disappear. There is a figure huddled at the foot of a statue of Justice, as if asking forgiveness.