2-year-old Wesley Morgan was last seen at his home in Clinton, Louisiana in 2001. Investigators believe he may have been illegally adopted.

For many people, camping is a fun, relaxing activity. Spending a night or two in nature can make you feel in touch with it — or give you...

Many parents fear losing their children in a crowd. You turn your back on them for one second at the mall, and they’ve disappeared into a...

Kidnapped by their dad: A.J. and Myrisha Campbell

The disappearance of 8-year-old Georgia Weckler, who was last seen after being dropped off at her home by a neighbor on May 1, 1947

The case of the Klein brothers, who were last seen at a park in Minneapolis in 1951

The unsolved 1978 murder of Wilma June Nissen

Tara Grinstead was last seen in her hometown of Oscilla, Georgia in 2005

The case of Scott and Amy Fandel, a brother and sister who were last seen at their Alaska home in 1978.

The case of Mary Agnes Moroney, who disappeared in 1939 at the age of two.

The disappearance of Acacia Bishop, who was kidnapped by her grandmother in 2003

The unsolved murder of Shellie Carson, who was killed in 2005 at the age of 18

The case of Kurt Newton, who disappeared on a family camping trip in 1975

Three sisters and a toddler vanished after a house fire in 1977. Only one of them has been found.

5 serial killers who were never identified or caught

The Jane Doe known as 'The Belle in the Well' was found in 1981 and identified in 2019.

The disappearance of Marvin Clark, who hasn't been seen or heard from in almost a century

The case of Valentine Sally, a Jane Doe whose body was found in 1982 in Arizona [UPDATE: IDENTIFIED IN 2021. SEE POST FOR MORE INFO]

The remains of a toddler girl, better known as 'Delta Dawn,' were found in Pascagoula, Mississippi in 1982.

The disappearance of writer Ambrose Bierce, whose last known location was Chihuahua, Mexico in 1913.