When Christina Calayca disappeared on a camping trip in Ontario, Canada, in 2007, investigators expected to find her in a few short hours. But despite numerous search efforts, no sign of her was ever found. And 16 years later, her family is still searching for answers.

MISSING: Christina Calayca

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True crime

When 27-year-old Scott Johnson is found deceased at the bottom of a cliff in Australia, authorities are quick to rule his death as a suicide. However, his brother, Steve, isn’t convinced, and begins a multi-decade quest to get answers – and justice.

MURDERED: Scott Johnson

When 22-year-old Franchesca Alvarado set out on a quick weekend trip to Atlantic City in March of 2012, it was meant to be a simple getaway… but it spiraled into a baffling tragedy. Her family is hoping that someone out there has the answers they’ve been searching for.

MYSTERIOUS DEATH OF: Franchesca Alvarado

A young man stops for a restroom break during a walk with his mom along the seaside in the United Kingdom and is never seen again. His family has been searching for him for over 30 years…

MISSING: Steven Clark

When tragedy strikes in a wealthy Argentinian community, the suspicions of the nation fall squarely on the victim’s own family, and the case takes on a life of its own. This is Part 2 of 2.

MURDERED: María Marta García Belsunce Part 2

When tragedy strikes in a wealthy Argentinian community, the suspicions of the nation fall squarely on the victim’s own family, and the case takes on a life of its own. This is Part 1 of 2.

MISSING: Christina Calayca

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