Interesting lecture series on People and Security from the University College of London.

I ran into this by accident earlier and haven't read the whole thing...way to long to read in one sitting. This may be nothing new to most of us, but how many times have you had someone extol the virtues of building security etc.. at their place of employment as to why no one needs to be armed etc...

Check out the stuff that starts around (edit: correction page 47) in the Lecture #7 pdf on Risk analysis and management.

http://hornbeam.cs.ucl.ac.uk/hcs/teaching/GA10.html