Necropath (Bengal Station Series #1)

Bengal Station: an exotic spaceport that dominates the ocean between India and Burma. Jaded telepath, Jeff Vaughan, is employed by the spaceport authorities to monitor incoming craft for refugees from other worlds. When he discovers a sinister cult that worships an mysterious alien god, he's drawn into an deadly investigation. Not only must he attempt to solve the murders, but he has to save himself from the psychopath out to kill him.
Necropath is Eric Brown's triumphant return to hard SF.