Violent. Provocative. Shocking. Call them what you will...but don't call them open and shut. Did Lizzie Borden murder her own father and stepmother? Was Jack the Ripper actually the Duke of Clarence? Who killed JonBenet Ramsey? America's foremost expert on criminal profiling and twenty-five-year FBI veteran John Douglas, along with author and filmmaker Mark Olshaker, explores those tantalizing questions and more in this mesmerizing work of detection. With uniquely gripping