But how do these DNA tests work, and how can they tell if two people are related to each other? A genetic test typically involves submitting a saliva sample to a laboratory.

An expert in the field revealed how genetic testing works, what it means and what steps to take if your family history points to an elevated risk of cancer. Genetic testing, as the name suggests ...

DNA testing could resolve doubts about Skinner's guilt in the 1993 Pampa slayings of his girlfriend and her two sons, but the state inexplicably has blocked that testing for more than a decade.

It is, but now, rapid DNA testing is another tool. Traditional DNA testing also remains the standard in criminal court cases. Watch Jeff Derderian’s full investigation above.

“It was years and years of effort and work from our detectives,” he said. It all began in the fall of 1982 when 17-year-old Peay ran away from a Salt Lake group home.

After 27 years as “Jane Doe,” the woman found in Lake Ray Hubbard has been identified as Penny Gunn through forensic DNA ...