organized larger group or form part of a cell. there's no indication that they are part of a network. >> and we mentioned a are report, that wording is important, their followers carried out that attack, and that lines up with what the fbi is saying, that these two were followers of isis but were not coordinating isis. >> there's a concern what a loan wolf or someone who was acting on their own and in this case unusually a couple would pull off something like this. >> along those lines, you said the concern about those loan wolves, in this case -- it's very hard to keep track of these terror cells when they're acting