It was Silas Bannerman who finally ran down that scientific wizard and arch-enemy of mankind, Emil Gluck. Gluck's confession, before he went to the electric chair, threw much light upon the series of mysterious events, many apparently unrelated, that so perturbed the world between the years 1933 and 1941. It was not until that remarkable document was made public that the world dreamed of there being any connection between the assassination of the King and Queen of Portugal and the murders of the New York City police officers...