in iraq and not long ago we decided that was self dwoens to go into syria. it is a turmoil we are no now >> reporter: in other words does it surprise you that france has been singled out for thesa tacts? >> not much. >> reporter: the government has put the army onto the streets but questions will be asked about its preparedness before these attacks. >> reporter: things have evolved in a much more disturbing manner than i think anybody imagined. the french were expecting something fairly big. the background noise was sort of evil over the last few weeks, but it is the sheer sophistication of this series of attacks which really does strike one. >> reporter: the streets of paris have been stunned into an eerie quiet, a country in a state of emergency wondering why this is happening again so soon after the attacks on "charlie hebdo" journalists and jewish shoppers in a supermarket. >> reporter: in the afternoon math of those january attacks, people filled here, world leaders gathered as well. france stood united among its allies in defense of its freedoms. >> re

what's important is to see whether the gunmen are dwoen to the authorities, whether there's intelligenceld have been put together and result in a plot that's unfoiled or disrupted. that's something to look at urgently because there have been failures of intelligence in the past such as with the shootings at the "charlie hebdo" magazine. >> that underscores how challenging it is to keep track of would-be extremists, right? it's difficult to prevent these gaps in security, so what is the solution here? i'm sure the fact that these attacks seemed well thought out and planned, they're probably looking at where the gaps were and how it could be prevented. >> this attack illustrates a level of synchronization and coordination that we've not seen before with isis. they're raising the stakes in the type of fear factor they want to perpetrator in western countries. means that the authorities are going to have to pay more attention to individual cells. are these individuals who have been trained in syria or iraq by isis, or are they inspired by the group, where did they procure weapons? are there