In the early 1980s, Johnny Gosch and Eugene Martin, two paperboys from Des Moines, Iowa, played a critical part in helping shape the era of missing and abducted children—from the Missing Children Milk Carton Program to the formation of the NCMEC and more.

Sex trafficking is big business. Globally, it generates tens of billions of dollars in profit every year. Here in the United States, it ensnares hundreds of thousands of victims. And while the stereotypical image of a trafficking victim is a foreign national, many of the exploited are underage American girls.

Christopher Bernard Wilder became known as 'The Beauty Queen Killer' during a frenzied 1984 spree, where he criss-crossed the U.S., luring young women into his fancy cars and dangling the promise of work as a model, if they would just allow him to take their photographs. Some took the bait. Others, he took by force.

The amazing 2006 escape of a 14-year-old girl from Kershaw County, South Carolina, who had been kidnapped, raped and held in an underground bunker in the woods for 10 days.

Kamiyah Mobley was 16 years old when she discovered that Gloria Williams, the woman she knew as her mother, was actually her kidnapper.

What causes adults to kidnap children? The perpetrators range from serial rapists to parents trying to protect their sons and daughters.

Most people know Amber Alerts as child-abduction emergency notifications that help law enforcement find missing kids. But the tragic abduction and murder case behind the notorious alert system was never solved—and police are still looking for clues.

In May 1980, Mary Stauffer and her young daughter were kidnapped by Stauffer's former student, Ming Sen Shiue. Over the next 53 days, Shiue held them at his house, repeatedly raping Stauffer and threatening Beth until they finally managed to escape.

Over a decade after she was found alive after being kidnapped as a child, Dugard has learned to drive, written two books and started a foundation to help other survivors.

Authorities didn't locate Kamiyah Mobley, who'd been abducted at birth by a woman named Gloria Williams, for 18 years. We explore this unusual kidnapping case.