The Dark Web: One Thing Always Leads to Many, Many Others
Just after the Paris attacks and the subsequent manhunt that ensued, Wired’s Kim Zetter wrote a very good piece centered around ISIS OPSEC and French law enforcement’s use of intelligence.
Read more: The Dark Web: One Thing Always Leads to Many, Many Others
Story added 4. December 2015, content source with full text you can find at link above.