 Archie discovers that another member of the League, Dr. Leopold Elkus, is also tangentially involved in the two deaths and, as Elkus is sympathetic to Chapin, begins to suspect that he is helping him commit the murders.He also discovers the existence of a mysterious man with gold teeth and a pink tie who also appears to be tailing Chapin.On bringing this man to Wolfe, they discover it is in fact Andrew Hibbard.