To establish and regulate the administration and maintenance of the National Forensic DNA Database of South Africa; to provide for the conditions under which the samples or forensic DNA profiles derived from the samples may be retained or the periods within which they must be destroyed; to provide for the use of forensic DNA profiles in the investigation of crime and the use of such profiles in proving the innocence or guilt of persons before or during a prosecution or the exoneration of convicted persons, to assist in the identification of missing persons and unidentified human remains; to provide for protection of the rights of children in the retention and removal of forensic DNA profiles; to provide for oversight over the National Forensic DNA Database and the handling of complaints relating to the taking, retention and use of DNA samples and forensic DNA profiles.