DNA (Deoxyribonucleic Acid)

The murder of Alfred L. Barnes, an employee of Bethlehem Steel, happened on October 18, 1968, in Monroe County, Pennsylvania. Someone shot Mr. Barnes three times in the head, dumped him in a desolate pasture and stole his late-model Thunderbird.

Some 42 years later, the crime remained unsolved. Then, in August 2010, the victim's nephew, Richard Barnes, contacted police and asked them to try again...

On July 27, 1981, 6-year-old Adam Walsh entered a Florida department store with his mother. He was abducted by a stranger, and his remains were found two weeks later. The tragedy of the young boy's murder—a brutal crime that was never brought to trial—shocked the nation. His devastated family and supporters channeled their grief and anger in a positive way―to protect other children from sexual...

It seems prescient that Juanita Adams' Lakota name, Omani Wi, means "woman on the longest walk." Because her last journey took 30 years—until she reached her final resting place with her family, in South Dakota's Badlands on the Pine Ridge Reservation.

A member of the Oglala Lakota Tribe, Juanita was 19 years old when she left Pine Ridge in 1978 to join the American Indian...