DNA Testing
Overview of the Technology and its Use
In little more than a decade, DNA (deoxyribonucleic acid) evidence has become the foremost forensic technique for identifying perpetrators, and eliminating suspects, when biological tissues such as saliva, skin, blood, hair, or semen are left at a crime scene. First introduced into evidence in a United States court in 1986 and the subject of numerous court challenges in the ensuing years, DNA evidence is now admitted in all United States jurisdictions. Background Over the years, the technology has undergone rapid change and refinement that has increased both its capability to obtain meaningful results from old evidence samples and its…
