The documentary "Strong Island" examines a 1992 homicide through a deeply personal lens. It centers on the death of William Ford Jr., an unarmed Black teacher, shot by a white mechanic, Mark Reilly, during a dispute. The film is framed by the perspective of Ford's brother, Yance, who interrogates a justice system that allowed Reilly to walk free. An all-white grand jury declined to indict, and...