radar of officials in that country? >> surprising. spain is not perfect. no country is per spect effect. put it that way. you've seen throughout any event, always a ping, someone was known, someone had done something else illegal putting them into the orbit of law enforcement or intelligence agencies. these guys sort of came out of nowhere. that is obviously very, very disturbing and distressing. not just, of course, for spain but for oeurope and any other investigative stage. the runway to radicalization. the period it takes from someone being sort of normal you'd say as opposed to someone who would launch a attack is so short it's becoming impossible to prevent any number of these attacks. the number of people involved is also surprising, because normally when you have any more than two or three people, conspiracies, the larger they