Authorities have made a major break in the Nancy Guthrie abduction by identifying the DNA found on a suspicious black glove, RadarOnline. com can reveal.

As the investigation into Nancy Guthrie's disappearance extends beyond four weeks, investigators believe the DNA collected could be crucial to solving the case. Researchers are employing various

An audit of the Colorado Bureau of Investigations’ DNA evidence testing took a deep dive into the work the agency is doing to decrease its backlog of sexual assault kits.

The DNA profile was recovered from gloves found during the investigation into the disappearance of Nancy Guthrie in Arizona.

A clue in the Nancy Guthrie case has led to a DNA match but investigators say it's not leading them to a suspect.

Greg Hampikian, a Boise-based forensic DNA expert and founder of the Idaho Innocence Project, explained how mixed DNA samples can complicate investigations. Hampikian has worked on wrongful conviction cases across the country, including helping overturn Amanda Knox's conviction.

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.

Investigators in the Nancy Guthrie disappearance say DNA from gloves did not match any entries in a national database. CODIS is a valuable storehouse of DNA taken from crime suspects or people