This work is a definitive account of the Ripper murders of 1888. The author's research has uncovered a wealth of new data, including what is apparently a sighting of the murderous assault bearing his hallmarks. The contemporary suspects are scrutinized and the fullest details made available on several little-known candidates such as Puckridge, the altogether forgotten Benelius and Ostrog. The book offers a rebuttal of the so-called Maybrick diary, and after the most detailed discussion on all aspects of the crimes, the author, having challenged the drift of Ripper studies since 1959, makes his own more plausible revelation and establishes the American connection.