A strength of the bottom-up approach?

-Evidence fo the approach to offender profiling -For example, John Duffy’s case which was investigated by David Canter using geographical profiling and investigative psychology to gather specific and accurate detail surrounding Duffy’s profile which allowed for the subsequent arrest. -Used crime mapping to find Duffy's centre of gravity, which was Kilburn, and found used interpersonal coherance of the nature of the bondage of the rape scenes to understand that he was seperated and had fantacies of bondage. -Lack generlisability due to the case study, hard to apply to a wide range of peopel