Abstract

The collection, use and storage of DNA for forensic purposes have increased rapidly since 1995, when the world’s first DNA database was set up in Britain. The use of DNA in criminal investigations can undoubtedly be highly beneficial, providing evidence that can help to convict the guilty and exonerate the innocent. Storing DNA evidence from crime scenes, and the computerised DNA profiles obtained from it, can also be extremely valuable if past crimes need to be reinvestigated. However, the retention of individuals’ DNA profiles and other information on computer databases, combined in some countries with the storage of linked biological samples, raises many privacy and individual rights issues. These include how the information might be misused by governments or others, and the prospect that false DNA matches may lead to intrusive investigations of innocent people by law enforcement agencies.

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