
For more than 30 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

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She was a beaming bride; it was a haunting death; Sarah and Ryan were newlyweds when she drowned in the bathtub; did she die of natural causes or was it deliberate; it took three trials to find the truth.
It all began when a best-selling author found his wife at the base of the stairs; the story makes headlines and has been covered for more than a decade; Michael Peterson answers questions.
A woman is murdered in a home invasion; her best friend and neighbor is shot the following night; investigators unearth disturbing secrets that suggest the cases may be linked.
When Cathy Torrez never comes home after work, her family fears the worst; an intensive search ends after her car is found, with her body in the trunk; it takes years to get to the truth.