Use of Forensic DNA Evidence in Prosecutors' Offices

Abstract

DNA evidence has rapidly become a significant and routine feature of modern criminal prosecutions. The first introduction of DNA evidence in a U.S. Court occurred in 1987. By 1994, 42 percent of local prosecutors reported that they had used DNA evidence in a felony case at least once. By 2001 that number had increased to 68 percent. Moreover, from a technical point of view, the potential benefits of DNA testing are substantial. Early hurdles to admissibility during trial have been overcome by the adoption of rigorous standards for DNA analysis. Rapid development of identification technology, fueled in significant part by the Human Genome Project, and the resultant development and expansion of national forensic DNA databases, has increased the potential of DNA to play a major role in crime solving. Indeed, over three million offender profiles, collected by state and federal authorities, now reside in the National DNA Index System (NDIS). This number is likely to increase as more states and the federal government are expanding compelled DNA collections to individuals arrested for certain crimes.