Disappeared

A customer arrives at a gas station just before closing to find the store empty, leading investigators to believe that missing employee Jessica Heeringa has been abducted; the investigation yields a secret about the missing woman's life.

Twenty-five-year-old artist Tiffany Daniels never makes it home from work, then her car is found abandoned in a parking lot in Pensacola Beach, Fla., launching a desperate search as well as dark speculation about her disappearance.

Missing college student Bryce Laspisa's car is found crashed and abandoned in a remote California park.

Tammy Kingery disappears after leaving behind a note saying she's gone for a walk in the woods, but searches yield no signs of her; an investigation reveals secrets that lead to dark theories about the missing mother of three.

In Phoenix, 25-year-old BMX rider Brian Histand goes missing after being seen wandering in a field; family and friends wonder whether Histand's risky bike moves led to his state of confusion.

Sixty-year-old stonemason David Riemens goes missing after meeting with a prospective client, and his truck is found abandoned; desperate to find him, investigators look for clues, but Riemens has vanished into thin air.

Former Harlem Globetrotter Rico Harris disappears while driving from Los Angeles to Seattle, setting off a baffling journey for investigators.

Robert is reported missing after failing to pick his wife up from the airport, and his son tells investigators that he met some unusual men a few days earlier.

The last time Brandy was seen was when she left work on Friday afternoon; she fails to return on Monday leading many to question if she left her rocky love life.

In 2006, Jennifer Kesse goes missing, and her car is found abandoned in a parking lot near her Orlando, Fla., condominium; in spite of rewards for information, her disappearance remains one of Florida's most baffling crimes.