Środki inwigilacji cudzoziemców w demokratycznym państwie prawa

The article raises the subject of prevention actions taken in the fight against terrorism, directed mainly against foreigners. The sine qua non condition to be fulfilled by state services to ensure broadly defined security is to have the resource of relevant information at their disposal. In a democratic state of law, for the services in question to obtain unrestricted information is not possible. The subject of following reflections is not new; it oscillates between the standards of a civil society and public safety in the geopolitical context, acts of terrorism and contemporary migrant crisis in the European Union.