Understanding DNA Evidence: A Guide for Victim Service Providers
United States Department of Justice
Understanding DNA Evidence: A Guide for Victim Service Providers

DNA Evidence in Unsolved and Postconviction Cases

Advanced DNA technology, such as PCR, makes it possible to obtain conclusive results in cases in which previous testing might have been inconclusive. This can result in the identification of suspects in previously unsolvable cases or the exoneration of those wrongfully convicted. It is important to realize that while testing or retesting may exonerate an individual, exclusionary results may not necessarily prove actual innocence. Prosecutors, defense counsel, the court, and law enforcement should confer on the need for testing on a case-by-case basis.



National Commission on the Future of DNA Evidence National Institute of Justice Office for Victims of Crime