The establishment of order and general security and permanent stability of political authority is an interest of prime value which has put into oblivion the legislators´ concern in recent decades about extending assurance to all phases of legal procedure and providing justice in them.
The recent modification in French criminal law regarding crimes against security of state show that incrimination and procedure remain respectively far from withdrawal strategy of criminal law and the policy for increase of procedural guarantee. In this article, some aspects of French criminal law are examined which can show the marks of genesis of a security based criminal law in this country.