Harrison is a brawny police detective who patrols the unquiet slums and dives of River Street, in an unnamed port city where the sun never shines. But REHâs stories were far-removed from the âmean streetsâ of Hammettâs and Raymond Chandlerâs stories in Black Mask. Like Skull-Face they owe more to Sax Rohmer â and to REHâs own contemporary horror stories.