Maybe a lesson from 1933 Germany will help.
Decree of the Reich President for the Protection of People and State
http://en.wikipedia.org/wiki/Reichstag_Fire_DecreeThe Reichstag Fire Decree (German: Reichstagsbrandverordnung) is the common name of the Decree of the Reich President for the Protection of People and State (German: Verordnung des Reichspräsidenten zum Schutz von Volk und Staat) issued by German President Paul von Hindenburg in direct response to the Reichstag fire of 27 February 1933. The decree nullified many of the key civil liberties of German citizens. With Nazis in powerful positions in the German government, the decree was used as the legal basis of imprisonment of anyone considered to be opponents of the Nazis, and to suppress publications not considered “friendly” to the Nazi cause. The decree is considered by historians to be one of the key steps in the establishment of a one-party Nazi state in Germany.
Order of the Reich President for the Protection of People and State
On the basis of Article 48 paragraph 2 of the Constitution of the German Reich, the following is ordered in defense against Communist state-endangering acts of violence:
§ 1.
Articles 114, 115, 117, 118, 123, 124 and 153 of the Constitution of the German Reich are suspended until further notice. It is therefore permissible to restrict the rights of personal freedom [habeas corpus], freedom of (opinion) expression, including the freedom of the press, the freedom to organize and assemble, the privacy of postal, telegraphic and telephonic communications. Warrants for House searches, orders for confiscations as well as restrictions on property, are also permissible beyond the legal limits otherwise prescribed.
This was followed by The Enabling Act of 1933.
http://en.wikipedia.org/wiki/Enabling_Act_of_1933