http://www.informaglobalevents.com/appdata/downloads/terrorism-studies-distance-learning/LR0064_Certificate_in_Terrorism_Studies_May_2011_LR0055HA101.pdf 16 weeks online about $2800 Lots of money for education one can get elsewhere for free (FEMA, NPS, etc) but St Andrews is very fashionable right now (Kate and Willie are grads) so it might be worth it for some.
All I have to say is do not send away for information because they will not leave you alone once you do.
St. Andrews is worldwide top notch in Terrorism Research. Their MLit degrees have also been discussed here: http://www.degreeinfo.com/distance-learning-discussions/28201-university-st-andrews-mlitt-terrorism-studies.html
I looked into the Mlitt they offer, and it is a very well respected degree in that field. Had financial aid been available, I might have considered it more. For terrorism studies, St. Andrews is really at the top of the field.
St Andrew's has lovely scarlet gowns. I say choose your college based on how you'll look at graduation.