Nearly every cell in the human body contains essentially the same genetic information, yet different cells activate different ...

DNA testing on a hair sample found in Nancy Guthrie's home returned no profile, but investigators say the sample may still prove valuable as the case continues.

SCOTTSDALE, Ariz. - A judge in Maricopa County has thrown out the DNA sample that led to the arrest of a man accused of killing a Scottsdale woman in 2015. The murder of Allison Feldman confounded ...

Contamination and other errors in DNA analysis have occurred at the Washington State Patrol crime labs, most of it the result of sloppy work. The most common problems are cross-contamination by ...

SCOTTSDALE, Ariz. - The state of Arizona is appealing a ruling regarding the use of a suspect's DNA in connection to the murder of Allison Feldman, a Scottsdale woman who was killed in 2015. It took ...