The author of Jack the Ripper. The Most Intelligent Killer in History was from an early age attracted to the study of graphology. He had read the work of Matilde Ras and a graphological analysis by Professor Augusto Vels, one of the greatest graphologists. He was member of the “Paris Graphological Society” in 1975. He is a distinguished member of the “Spanish Graphological Society”. The author discovered the identity of Jack the Ripper in April 2005.

José Luis Abad y Benítez, with this work, in which he unveils the true identity of Jack the Ripper, establishes himself as a leader within the field of Criminology.