According to sources close to the investigation, there are concerns that DNA recovered from Nancy Guthrie's home may not yield a usable profile for comparison.

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. This overview describes the essentials of the subject with a minimum of jargon, ...

Forensic DNA analysis has fundamentally changed criminal investigations, providing an unprecedented level of accuracy in identifying suspects, exonerating the innocent, and solving cold cases. And ...

For years, the federal government has been amassing DNA profiles of noncitizens. But recently released Customs and Border Protection (CBP) data reveal that officials knowingly collected the DNA of ...

n the mid-1980s, tragedy struck two villages in Leicestershire, England. In two separate instances, three years apart, two teenage girls were raped and murdered on their way home from school. On ...