Louisiana resident Brenda Dupont missed her regular coffee date with her sister Linda on a May morning in 1988 — the first sign of her terrible fate.
In New York in 2006, landlord Bruce Blackwood vanishes, prompting questions about troubles with tenants and a long search by his brother Ed.
More than four decades after a 15-year-old girl's unexplained death in Reynoldsburg, Ohio, new technology helps point the way to justice.
A WWII veteran seems to have died in a house fire in Canton, Ohio. But what begins as an arson investigation takes a grim turn.
In 1995, US Army service member Lisa Gaudenzi goes missing just before beginning officer training. Her family spends 13 years looking for answers.
The murders of two girls in Tacoma, Washington, in 1986 leave families devastated. It takes decades of dogged detective work to catch those responsible.