Comment by buttcoin

Would they? Acknowledging attacks could give clue to operations in play. They're certainly not going to risk sources and or collection that's proven valuable. And to be fair there have been a good amount of publicly acknowledged plot disruptions.

http://www.foxnews.com/story/2007/09/05/german-police-arrest...

https://en.wikipedia.org/wiki/List_of_unsuccessful_terrorist...