CNN Anderson Cooper 360 December 18, 2015 04:05:00
Philip mudd who has been a senior official in the fbi and cia and senior legal analyst for cnn, jeffrey toobin who is a federal prosecutor. tim, a lot of planning, a lot of preparation seemed to go into these two attacks that thankfully did not take place a few years ago. what do you make of all this? >> well, john, it's pretty customary for al qaeda and isis to overplan things. 9/11 took five years in the planning and i don't believe that was absolutely necessary to execute the type of attack they did. in this circumstance it was a simple attack going in with pipe bombs and off the shelf item...
Source: archive.org