The latest research on the ultimate whodunnit by the world's leading society for Ripper studies. The Whitechapel Murders of 1888 remain unsolved and hundreds of theories have been suggested as to the killer's identity. However, many of the suggestions naming the infamous Ripper remain ill-informed and ludicrous, until now. The authors of this book are all members of The Whitechapel Society, the world's largest organization for the study of Jack the Ripper. Each has spent many years researching a particular suspect and the results of their latest, cutting-edge investigations are published here for the first time. Based on indisputable facts and concrete evidence, the cases put forward in this collection allow readers to decide exactly who they believe is the man behind the myth. With each chapter discussing a separate suspect in detail, this book is the ultimate guide to one of the most famous criminal investigations in history.