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Last modified: 24 Oct 2008

Zoom in to view the police force HQ.

Britain's police forces hold more than five million DNA samples on file.

Channel 4 News online obtained a force-by-force breakdown of the data.

Click on the links below to find out how many DNA samples your local police force holds on the National Police DNA database. Numbers relate to the total number of samples held - the number of individuals sampled will be lower as some will be duplicate samples.

Use the 'plus' button on the left-hand side of the map to zoom right in on a satellite picture of your local police HQ.


Click on these links to view the number of samples held by each police force. Information correct up to 26 September 2008.


Please note: Some locations are approximate.