Amber Dubois disappears in the San Diego area and the search turns up nothing. A year later, Chelsea King disappears in a neighboring town. Investigators are determined to find out if the two cases are connected.

A girl's recovery from a gunshot wound inspires the community to get her justice.

With no arrest having been made years after a real estate agent's murder, frustration continues to mount among her family and friends.

A man is shot and killed while picking up his daughter for a court-ordered visit.

Investigators search for a New Mexico mechanic who has been missing for eight years.

When a woman disappears after an encounter on a train, her family hires detectives to investigate.