Queen of Angels

By the latter days of 2047, psychology has developed into a true science, and most of the population of Los Angeles has been therapied into sustaining balanced personalities. Thus  public defender Mary Choy is shocked to be assigned to a rare murder case. Within hours of the detection of the crime, modern chemical sniffers have determined exactly who passed through which doors of the victim's apartment in what order, and it is established that poet Emanuel Goldsmith is killer of his publisher's daughter.