A TV investigative reporter and his sister, a San Francisco PD homicide detective, look into the slayings of Bay Area cops who have shot unarmed African Americans yet faced no repercussions in this debut crime thriller. "Brian Copeland's thrilling debut novel is a revelation from an excitingly fresh voice 'of color' in the arena of crime fiction . . . He manages to take a 'ripped from the headlines' topic, the shooting of unarmed...