If a government passes something, it doesn't just magically become fully operational, regardless of what type of program it is. It takes a little more than a couple months.
drills as mass attacks are happening - be it 9/11 , Sandy Hook, London Bombing or others
+ factor in: http://www.theguardian.com/world/2015/nov/17/serbian-police-...
The passport of a "suicide bomber" escaped the bomb blast and landed into the hands of autorities (conviniently) -- but now Serbian police have proven it to be a fraudulent passport...so how did it get there?
France was absolutely not starting from scratch on Surveillance at the beginning of May. The bill dropped the need for things like "get a warrant before monitoring all traffic to/from an IP in realtime"; they had that ability long before.
Edit: I would absolutely love someone to explain why this post is being downvoted