When Nancy Moyer goes missing, police discover secret liaisons.

A 16-year-old boy got up, walked out of his home, and was never seen again.

Savannah Spurlock disappears after leaving a bar in Kentucky.

A college student attending a Model UN conference disappears in Chicago.

In 2017, 8-months-pregnant Akia Eggleston never arrives at her baby shower.

Tara Calico goes on her daily morning bike ride, but never returns home.

A 27-year-old medical student fails to show up for a flight to Miami.

Elaine Park is never seen again after leaving her boyfriend's apartment.

A 29-year-old mom never returns after heading out for a drum circle.

A young woman never makes it home to celebrate her mom's birthday.

Matthew Weaver vanishes after heading out to watch the sunrise in Malibu.

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Two cousins are separated by a cold-blooded murder.

A heinous double-murder at the hands of a loved-one shatters a family.

A tragic accident in a family swimming pool reveals a brutal killer.

A young, married couple's lifestyle change has deadly consequences.