Alan Moore's The Courtyard + Neonomicon + Providence

Aldo Sax is an FBI agent using "anomaly theory", a method that correlates seemingly unrelated data into a cohesive whole, to investigate three seemingly unrelated ritual murders around the United States. His investigation leads him to a nightclub in Red Hook, Brooklyn, where he hears of a psychoactive drug called Aklo, peddled by a mysterious veiled man named Johnny Carcosa. Sax sets up a meet with Carcosa at the...