David Canter, professor of Psychology at Liverpool University, has written more that a dozen books on psychology, and his biography states he "....is the pioneer and leading expert in psychological profiling......" Criminal Shadows: Inside the Mind of the Serial Killer (1994) is a factual book, based on his own experiences, on the evolution and development of profiling and is set out chronologically. He explains that he believes a criminal leaves behind a shadow of himself at a crime scene in the form of clues to his behaviour and therefore his character.…