Nice article about Britains Guerilla Army during WWII

http://www.dailymail.co.uk/news/article-2301720/Churchills-secret-guerillas-poised-execute-senior-British-figures-risk-helping-Germans-Nazi-invasion.html
These brave men's story has been kicking around for a few years now, as details have leaked out.  I'd add that their life expectancy past the first month of operations would be just about nil.