erican law enforcement history know the story of the notorious and ruthless Pinkerton Detective Agency and the legends behind their role in establishing the Secret Service and tangling with Old West Outlaws. But the true story of Kate Warne, an operative of the Pinkerton Agency and the first woman detective in America--and the stories of the other women who served their country as part of the storied crew of crime fighters--are not well known. For the first time, the stories of these intrepid women are collected here and richly illustrated throughout with numerous historical photographs.