The first Frederick Wiseman film I saw, and the one that remains my favorite so far (Wiseman made a lot of films, and I have yet to see more than a fraction of them), was his seventh: Juvenile Court, first shown in 1973. Like many of Wiseman’s works, it’s about an institution, the people whom that institution is made of and whom it makes. In the case of his first documentary, Titicut Follies (1967...