a particular folder in security, as doier on their radical activities and how do they mapping to be on radar and get to syria and back. ababdelhamid abaaoud left for syria in 201, tried to get back into europe. the got as far as greece it's believed over the winter after the "charlie hebdo" attack. it's believed he went back into syria and now the thought that he may be holed up in a paris suburb, so close to those hundreds of thousands of forces that have been searching for anyone in connection with these attacks is shocking. if he is apprehended today and if this is the end then it will be a huge sense of relief for paritions but at the same time there will be so many questions asked about how these people get across borders if salah abd