Making A Case – How Psychology Can Inform the Investigative Process
Creating A Profile
3.3 Case Study
Canter –John Duffy – The Railway Rapist
v 23 women were *****
v All aged between 15 and 32
v Happened at railway stations in and around London
Canter became interested after reading reports.
1980s two police officers were appointed to assist him in drawing up a criminal profile.
He placed all the cases on a map to speculate where the ****** might live.
He categorised perpetrators as:
v Marauders – strike from within their home
v Commuters – travel away from home
v Has lived in the areas circumscribed by the first three cases since 1983
v Probably lived in that area at the time of arrest
v Probably lives…