The leftist groups have been planning to attack people in suburbs for a while. It's part of their campaign of terror to scare the masses into giving in to their political platform without question. They are trying to condition America to accept the elimination of democracy. They have tried a few times already. They recruit criminals and psychotic people to do their dirty work, like that shooter from the park. That shooter "went off" by accident like those explosives in Beirut. Playing with mentally