whether it s knives, cars. things like that. obviously a car plowing into a crowd feels much more serious but in terms of accessible technology, it is very low. what does that tell you as somebody who has investigated these things and thought about things? does it tell you that this is it a good thing or bad thing that people are resorting to low-tech attacks? all terror attacks are bad. this lower tech spree is a good sign. think back a year ago, we saw coordinated plots in paris, brussels, bangladesh, saudi arabia that involved bombings, sophisticated bombing devices from trained foreign fighters, often, that fought in syria. what we re seeing now are what i called the bottled up phenomenon. people who have stayed at home, could not travel to syria, made no former foreign fighter, fought in syria or been inspired by them and taken up attacks on their own. both in terms of the targeting pattern and how they re doing it, they re probably not getting much direction from the central