The Tennessee Bureau of Investigation is using rapid DNA testing technology to help speed up investigations, and News 2 got a look at how it works.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. In 1976, workers excavating a tunnel for the Toronto subway system ...

Last week, Gov. Rick Perry granted the state's first posthumous pardon to a man who was innocent of a crime for which he had spent 13 years in prison. DNA testing cleared Tim Cole of a rape he did not ...

In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...

The answers were always there, waiting as the years and decades ticked by: Who killed five people kidnapped from a Kentucky Fried Chicken in Kilgore on Sept. 23, 1983? Finally, though, the science, ...

An identical twin commits a crime and leaves their DNA at the scene. Can DNA testing reveal which twin is the culprit? This question reportedly came up in a case in France last month, in which the ...