In the Shadow of the Moon (2019)

In 1988, a detective becomes obsessed with a series of murders that seem to defy explanation. Philadelphia police officer Thomas Lockhart, hungry to become a detective, begins tracking a serial killer who mysteriously resurfaces every nine years. But when the killer’s crimes begin to defy all scientific explanation, Locke’s obsession with finding the truth threatens to destroy his career, his family, and possibly his sanity.