Evidence Preservation in D.C.
Statute requires the automatic preservation of all biological material connected to the investigation or prosecution of a crime of violence that resulted in the conviction or adjudication of an individual. This evidence will be preserved for 5 years or as long as any person incarcerated in connection with that case or investigation remains in custody, whichever is longer. Effective 2002; Amended most recently: 2013.
District of Columbia statute meets the best practices standards outlined by the NIST Technical Working Group on Biological Evidence Preservation.