Funny how closely his own machinations resemble the (obviously comically deranged) delusions of some of his characters. He was clearly quite self-aware, as another comment noted, or could it be that the whole FBI report was a jest? It really reads exactly like a passage from his novels.

The subtext of the report to the FBI, that we must suppress artistic expression in order to protect the innocent minds from dangerous ideas, remains as relevant and intriguing today as then.