I'm sure there is plenty the public doesn't know about how these things really get investigated. The just caught the 2nd bad guy tonight. Nothing highttech about how that went down. A citizen called about someone being in a parked boat. The true terrorists know the only way to get away with this stuff is to blow up along with the victims. The boston bombers weren't true terrorists they were just 2 stupid kids ,ones dead and the other wishes he was too.