Despite having a annals longer than the up to date nation-state, the use of terror by authorities and those that challenge their power continues badly understood. While the significance of the phrase terror itself is clear, when it is directed to actions and actors in the genuine world it becomes confused. Part of this is due to the use of terror methods by actors at all grades in the communal and political environment. Is the Unabomber, with his solo crusade of terror, a lawless individual, terrorist, or revolutionary?