“In 1954, a psychologist testified that reading comic books would turn children into juvenile delinquents. In 1994, a psychologist testified that reading Boiled Angel would turn adults into serial killers,” narrates punk rock mouthpiece Jello Biafra in Frank Henenlotter’s new documentary Boiled Angels: The Trial of Mike Diana, which will be having its international premiere this Saturday as part of Montreal’s Fantasia Film Festival.