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» Economics » Monitoring » Topics begins with R » Raster search

Page modified: Wednesday, July 13, 2011 01:20:22

The raster search is into the 1960er years due to the futile search after the RAF terrorist procedure for the interlaced search of volume of data, developed by the FEDERAL BUREAU OF CRIMINAL INVESTIGATIONS at that time (Federal Criminal Investigation Office) a president refuge Herold. Certain person's groups are filtered from public or private data bases, by looking for characteristics, by which one assume that they apply also to the looked for person. A goal is it to limit the group of the persons who can be examined since there is no well-known goal person contrary to a conventional search.

First the characteristics, which result from conventional determinations, are combined into an author profile. One determines for example against the Russian mafia because of money laundering, such a profile could contain the following characteristics: "Citizens of a GUS state, no domicile or constant stay in Germany, participation in domestic companies or real estate purchase in Germany, high purchase price". These characteristics are queried afterwards in appropriate data bases - in the aforementioned example for instance the Melderegister, all places, which give residence permits and/or visas, the trade register and the land register. From the search results those data records are arranged, which exhibit all looked for characteristics. Those persons, who get stuck in this "rasters ", thereupon purposefully examines.

The success of the raster search depends on the production of the author profile. Too if few characteristics are considered, the looked for person possibly falls by the raster. If the characteristics are in reverse general too, many indifferent ones are taken up disproportionately to the circle of the persons who can be examined, what increases the further determination expenditure.

History of the raster search in Germany

With the help of the raster search RAF members could be arrested for the first time into the 1970er years.

In March 2004 plans of the German Minister of the Interior Otto Schily became admit to use the raster search European Union far in the fight against the so-called organized terrorism.

On 11 November 2005 in the press of efforts of the large coalition reported, after which a paper exists, by that the use of techniques, which correspond to the raster search, to the search for "social parasites" (see also the discussion around Hartz IV) to be legitimized is.

On 4 April 2006 the Federal Constitutional Court of a complaint of a Moroccan student allowed, who had been raised against a Rasterfahnung due to a general threat situation in connection with the events 11 September 2001. In the result of the complaint (AZ.: 1 BvR 518/02) was going by limited the raster search that she may be accomplished only in the context of "concrete danger", approximately for the security of the Federal Republic or the life of a citizen.


As problematic with this technology in particular the abolition of the innocence assumption is seen, because all persons, on these characteristics (e.g. Shoe size, sex, nationality) apply, are first suspected. Only by a police examination, in which this tries to confirm a first suspicion it is determined whether determinations will keep upright against these persons. The linkage of data of different origin is seen likewise often regarding the fundamental right on informational self-determination as problematic.

In April 2004 it became admits that after the evaluation by approximately 8.3 million data records in Germany only one preliminary investigation was introduced. This was however reset. Critics of the raster search feel confirmed and regard the raster search as failed.

This criticism closed also the participants to 14. German administrative judge day at the beginning of of May 2004 in Bremen on. In particular the judges required for a temporal stipulation of a time limit of safety laws, since these could generally draw a restriction of fundamental rights and therefore to constant examination would require.

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