Dateline: Secrets Uncovered

A teenager's life is turned upside down by a shocking discovery is what seems like a fatal accident reveals itself to be something much more disturbing.

When high school student Megan Nichols vanishes from her Illinois home, her mother finds a note saying that she ran away. A grisly discovery made three years later changes the course of the investigation.

A small Ohio town is left in shock after a local coal miner is found fatally shot in his basement. As investigators dig into his personal life, a secret affair reveals a surprising suspect.