Published online by Cambridge University Press: 06 March 2019
After the terrorist attacks on the World Trade Center in New York City, it was determined that some of the presumed perpetrators had lived in Germany where they had been studying technical subjects in particular. Public authorities supposed more potential assassins (so-called “sleepers”) were staying in Germany until they received an order to start their mission. In order to discover such persons, data screening was carried out in each federal state of Germany. In the course of it, all universities were obliged to hand over the data material concerning their enrolled students for data alignment by police authorities. Up until now, appeals of affected students against those measures have been successful in Hessen, Nordrhein-Westfalen and Berlin. Those events give reason for a critical reflection of the means of data screening by the police.
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